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How to Fix Error 0x80073712 in Windows

There are times when system files get corrupted and if the Windows Update process finds the system’s integrity questionable, chances are, the update, upgrade or the installation may fail and you will only be getting an error code 0x80073712 instead of completing the process.

The error code 0x80073712 indicates that a file needed by the Windows setup or the Windows Update is most likely missing or damaged. To resolve the problem, here are some suggestions you can try.

Option 1 – Try running the DISM Tool

Running the DISM Tool helps in repairing the Windows System Image as well as the Windows Component Store in Windows 10. Using this built-in tool, you have various options such as the “/ScanHealth”, “/CheckHealth”, and “/RestoreHealth”.

  • Open the Command Prompt as admin.
  • Then type in this command: exe /Online /Cleanup-image /Restorehealth
  • Do not close the window if the process takes a while as it will probably take a few minutes to finish.

After you run this tool, a log file is created at C:WindowsLogsCBSCBS.log. On the other hand, if the Windows Update client is already broken, you will be prompted to use a running Windows installation as the repair source or use a Windows side-by-side folder from a network share, as the source of the files. Although the chances of this happening are less, if it turns out to be the case, you need to run an advanced command in the DISM tool to repair a broken Windows Update. Just repeat the process above but use the following command instead:

DISM.exe /Online /Cleanup-Image /RestoreHealth /Source:C:RepairSourceWindows /LimitAccess

Option 2 – Try running the System File Checker

System File Checker or SFC is a built-in command utility that helps in restoring corrupted files as well as missing files. It replaces bad and corrupted system files with good system files that might be causing the error 0x80073712. To run the SFC command, follow the steps given below.

  • Tap Win + R to launch Run.
  • Type in cmd in the field and tap Enter.
  • After opening Command Prompt, type in sfc /scannow

The command will start a system scan which will take a few whiles before it finishes. Once it’s done, you could get the following results:

  1. Windows Resource Protection did not find any integrity violations.
  2. Windows Resource Protection found corrupt files and successfully repaired them.
  3. Windows Resource Protection found corrupt files but was unable to fix some of them.

Option 3 – Try running the Chkdsk utility

You can also try running the Chkdsk utility to resolve the Windows Update error 0x80073712. If your hard drive has issues with integrity, the update will really fail as the system will think that it’s not healthy and that’s where the Chkdsk utility comes in. The Chkdsk utility repairs hard drive errors that might be causing the problem.

  • Open Command Prompt with admin privileges.
  • After opening Command Prompt, execute the commands listed below, and don’t forget to hit Enter right after you type in each one of them and if you have installed Windows to some different directory, you must replace “C” with the name of the drive you’ve installed Windows with.
  • chkdsk C: /r /x
  • chkdsk C: /f

Note: The Chkdsk function might take a while before it finishes its operations so you need to be patient and wait until the entire process is completed.

Option 4 – Try running the Windows Update Troubleshooter

Running the built-in Windows Update troubleshooter could also help you resolve the Windows Update error 0x80073712. To run it, go to Settings and then select Troubleshoot from the options. From there, click on Windows Update and then click the “Run the troubleshooter” button.

Option 5 – Try running Microsoft’s online troubleshooter

You also have the option to run Microsoft’s online troubleshooter which could help you fix Windows Update errors.

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Resolve Windows Update Not enough disk space
If you are trying to update your Windows 10 computer but are not able to do so since your computer is running low on storage then this obviously indicates that there is not enough disk space available on your drive where Windows 10 has been installed. As you know, when Windows 10 downloads the update packages, it extracts them in a separate folder which means that there should be enough space on that particular folder for the update to begin with. Windows do not really check systems for any adequate space requirements before it even initializes the update or upgrades and you only get to know about it right when the update process starts. On Windows 10 thin clients or the ones with embedded systems that have limited storage space, when Windows Update runs, the update initialization may fail because as pointed out, Windows does not check systems for adequate space requirements so you may have to do the work for them by making sure that your disk has enough space available. Here are some suggestions you can follow to resolve Windows 10 update issues on computers with low storage space.

Option 1 – Delete the files from the Download folder

Since you are going to delete everything manually, you need to create a backup for all your important files which you may have placed in the Download folder. After you create backup copies of important files, delete the files from this folder or you could simply tap the Shift + Del keys to remove the files permanently after you selected them all.

Option 2 – Change the Windows Update Folder location

You might have to change the Windows Update folder location where Windows download all the files need to update the operating system if you cannot really create some space on your primary driver. So all you have to do is set the drive with enough space available for the update to be completed.

Option 3 – Uninstall apps and programs you no longer use

In some cases, apps and programs take up a lot of space on your drive. So if there are programs or apps that you no longer use, you can uninstall them to save storage space. To do so, follow these steps:
  • In the search box, type in “control” and then click on Control Panel (desktop app) among the search results.
  • After that, select Programs and Features from the list which will give you a list of all the programs installed on your computer.
  • From there, look for the apps and programs that you no longer use and right-click on each one of them and click on Uninstall.

Option 4 – Move files to another drive

This is another thing you can try. You can move files, especially the ones with large sizes, to another drive to make up space on your drive. After that, install the updates once again.

Option 5 – Reduce on-drive files from Cloud services

If you are using tons of cloud backup services such as OneDrive and Dropbox, you might want to consider reducing the number of files you have on those cloud backup services. You can do what you’ve done on option number three and have those files moved to another drive to free up storage space.

Option 6 – Empty the contents in Recycle Bin

As you know, the files that are deleted from your computer goes to the Recycle Bin first. So if you have not emptied Recycle Bin for a long time now, the files you delete are still actually taking up space on your drive. Thus, you need to empty the contents in the Recycle Bin to save storage space.

Option 7 – Clean up temporary files

You can use the Windows 10 Storage Sense feature which can clean all the temporary files from your computer. To use Storage Sense, follow the steps below.
  • Open Setting > System > Storage from the WinX Menu.
  • From there, you will see a list of all the local and connected storage devices along with the details on the free space.
  • Now make sure that the Storage Sense feature is turned On then go find a link that says “Free Up Space” and click it to open.
  • After that, a screen which is the built-in program in Windows 10 will appear and will scan your computer for the following junk files so you can free up disk space:
  • Windows Upgrade Log Files
  • System created Windows Error Reporting Files
  • Thumbnails
  • Temporary Internet Files
  • Previous Windows Installation Files
  • Delivery Optimisation Files
  • DirectX Shader Cache
Choose the files you want to get rid of and then click on the remove files option. Note that you’ll have an idea of the total size as you select any of the junk files listed above.
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How to Fix Windows 10 Error 8024402C

Error Code 8024402C – What is it?

When upgrading to Microsoft Windows 10, some users may encounter Error Code 8024402C. This error, while attempting to update, is a result of five possible issues. The error code itself is not a critical concern, yet while the error is occurring, users will not be able to upgrade their Windows software. As with any Microsoft error code, even if it is not critical, it is recommended that the error be addressed sooner rather than later. An insignificant error now could lead to a larger, more catastrophic error later on. Common symptoms include:
  • A dialog box appears with the Error Code 8024402C when attempting to upgrade to Microsoft Windows 10.
  • Your current version of Windows is unable to recognize the need for an update to Microsoft Windows 10.

Solution

Restoro box imageError Causes

As previously stated, there are five major reasons why error code 8024402C occurs.
  • An erroneous character in the proxy override settings
  • A wrongly configured firewall is preventing the update from taking place.
  • Attempting to access the Windows 10 update through a VPN (Virtual Private Network) connection.
  • Workstations that operate behind a corporate ISA server.
  • A corporate network system that does not have auto proxy enabled.
The sooner these known causes are addressed, the sooner you will be able to successfully upgrade to Microsoft Windows 10.

Further Information and Manual Repair

Microsoft Support posits four different resolutions to these known error code 8024402C issues. Some of these methods will be more comfortable for at-home users than others. If you are experiencing this issue in a corporate or business setting, it may be better to have your IT tech or department attempt the methods.

Method 1:  When your firewall is causing the issue.

  1. Access your firewall software.
  2. Specifically, look into the settings associated with your firewall.
  3. Make sure that the following three websites are listed as exceptions to your firewall or proxy.
  • https://*.windowsupdate.microsoft.com
  • http://download.windowsupdate.com
  • http://*.windowsupdate.microsoft.com
  1. If any of these websites are missing from your firewall list, add them to the list.
  2. Restart your Microsoft Windows 10 update.

Method 2: For an erroneous character in the proxy override settings.

  1. Open internet explorer, if you use another program to access the internet, you will still need to use internet explorer for this solution.
  2. Open your internet explorer tools window.
  3. Click on internet options.
  4. Choose the connections tab.
  5. Select LAN settings.
  6. Choose the Advanced option.
  7. Delete anything that appears in the exceptions section.
  8. Closeout of internet explorer.
  9. Click on your start button.
  10. Select RUN and type CMD into the field, press ENTER.
  11. This will access the command prompt screen. Type “proxycfg -d” and press ENTER.
  12. Type the command “net stop wuauserv” and press ENTER.
  13. Finally, type “net start wuauserv” and press ENTER.
  14. Now you have cleared your proxy cache. Access the Microsoft Windows 10 update again to download.

Method 3: If a VPN connection is causing error code 8024402C.

  1. Disconnect from your VPN connection, thus connecting directly to the internet without a proxy or network.
  2. Retry the Microsoft Windows 10 update.
  3. After the update is successful, reconnect to the VPN network.

Method 4: Use this is an ISA server is in place at your networked business site.

  1. Access the ISA firewall client option. From here your goal is to initiate the ISA server automatic detection feature.
  2. From the control panel, select the firewall client option.
  3. Choose the configure option.
  4. Check the box next to “automatically detect firewall server”.
  5. Select the “update now” button.
  6. Click the OK button.
  7. Restart your Microsoft Windows 10 update.
Again, not all of these methods are meant for computer users who do not usually explore and change software settings of this nature. If you do not feel comfortable with any of these methods, you can opt to download and install a powerful automated tool to repair Windows error code 8024402C.
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How to Fix Windows 8 Error 0x80070490

Error Code  0x80070490 - What is it?

Error code 0x80070490 occurs in versions of Windows including Windows 8 or 8.1 and Windows 7 or Windows Vista. This error often arises when users attempt to install updates via Windows Update or Microsoft Update.

The main reason for the error relates to the Component-Based Servicing (CBS) manifest which has become damaged. When the error occurs, the Windows device is unable to successfully install updates.

Solution

Restoro box imageError Causes

Error code 0x80070490 might appear for various reasons but is most prominent in the following cases:

  • Attempts to install Windows 8 or 8.1
  • A corrupted Component-Based Servicing (CBS)

Further Information and Manual Repair

The solutions for error code 0x80070490 vary so users may need to attempt each solution to find the best results.

  1. Repair Corrupted Windows Files with System File Checker

The System File Checker (SFC.exe) is a Windows-based utility that enables users to check and repair corrupted or damaged system files. It can also restore missing systems files which can be the cause of errors such as error code 0x80070490.

To repair files, begin scan by swiping the right edge of the screen then opening the search box. Type Command Prompt, right-click this option, then select Run as Administrator. Once the scan begins, wait for the process to be completed then restart your device. Check if the error is resolved by reattempting updates. If error code 0x80070490 in Windows 8 or 8.1 persists on your device, proceed to the solution below.

  1. Perform Clean Boot

A clean boot is one of the best ways to reduce conflict among files – an issue that may arise whenever users update, install or run programs on their Windows device.

To run a clean boot, your device reboots using limited drives and programs. The process allows you to identify which conflict among programs is causing errors on your Windows device.

You can access the clean boot tool by entering msconfig in the search box. Select Services, then System Configuration. Check the Hide all Microsoft services checkbox then select Disable all. Next, go to the Startup tab, click and open Task Manager. After selecting the Startup tab, make sure you right-click each startup program. Click Disable from the context menu then close Task Manager when done. Select OK on the System Configuration menu then restart your machine to clean boot Windows 8 or 8.1.

If the clean boot successfully identifies and resolves issues with corrupted files, you will be able to access updates using Windows Update or Microsoft Update. Error code 0x80070490 will no longer occur. But if that proves unsuccessful, other options are available below including running Windows Update Troubleshooter.

  1. Run Windows Update Troubleshooter

This method can provide a simple solution for users as it verifies whether your Internet connection, network adapter and Windows Update services are functioning properly. However, if you are uncertain as to whether you will be able to troubleshoot, seek assistance from a qualified Microsoft technician.

To run Windows Update Troubleshooter, simply download from Microsoft’s website. Be sure you are downloading the tool recommended for your operating system, in this case Windows 8 or 8.1. After you download Windows Update Troubleshooter, run it to enable the tool to check for and resolve update issues on your device.

  1. Use DSIM or System Update Readiness Tool

The System Readiness Tool or DSIM is another method you can use to correct issues related to error code 0x80070490. This tool checks problems on your system that might prevent your computer from performing Windows updates including issues related to damaged system files.

Once you download and install this tool, it will be able to run automatically. The process may be technical, however, requiring specialized knowledge to successfully download and run the tool. Consider getting assistance from an IT professional in this case. Also, check Microsoft's online resources to download the tool.

  1. Use an Automated Tool

Having an automated tool at hand will enable users to always be prepared. Download a powerful automated utility tool to provide solutions whenever error codes or other problems affect your Windows 8 device.

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Find out bottlenecks in your PC easily
Building a custom PC is a great feeling but it can sometimes not be ideal and we are not talking about breaking or losing parts. What we mean is that choosing the right components can be sometimes a difficult task. Of course, picking a PC case can have its issues, choosing the right power supply can be tricky but pairing all components together, especially CPU and GPU can be tricky. bottlenecksBuilders with no depth knowledge and experience can sometimes choose improper CPU or GPU, picking one of them to be much more powerful than another thus not using it to its full potential because another component cannot handle stuff at the same speed. In order to not be trumped by this kind of stuff, there is a website that is completely free and you do not even need to be registered in order to use it. Bottlenet calculator link here What is even better, once you input your components you will get advice on what to change in order to tweak the system a little more to avoid bottlenecks even more. It is a very useful tool and we are advising you to use it in order to save money but not throwing it on some component that will be half used.
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A Quick Guide to Resolving the Runtime Error R6025

What is the Runtime Error R6025?

The runtime error R6025 can be quite annoying for PC users as it pops up randomly anytime. It is a type of runtime error but typically associated with C++ programming. The error is displayed in the following format:

‘Runtime Error! Program: C:…R6025-Pure Virtual Function Call’

Solution

Restoro box imageError Causes

The runtime error R6025 is triggered due to the following reasons:
  • Runtime components of Visual C++ libraries are missing
  • Microsoft.NET framework damaged
  • Registry corrupted with bad files and data overload
  • Virus and malware invasion

Further Information and Manual Repair

Try the solutions given below to repair the runtime error R6025 on your system:

Cause: Microsoft.NET framework damaged

Solution: If this is the underlying cause of the error, then it is advisable to reinstall and repair the Microsoft.NET framework on your PC. To reinstall this framework, go to the start menu, click control panel, programs and then click ‘Turn Windows features on or off’. Here you might be promoted for an administrator password. Insert the password to proceed. Now locate Microsoft.NET framework 3.5.1 and uncheck this box, press OK and then reboot your system. After that open ‘Turn Windows features on or off’ and check the Microsoft.NET framework 3.5.1 and then restart your PC. This will hopefully resolve the error.

Cause: Runtime components of Visual C++ libraries are missing

Solution: If runtime components of Visual C++ libraries are missing, then you will have to download and install these from different websites. This can be time-consuming and slightly complicated for you if you are not technically sound.

Cause: Malware Attack

Solution: If the runtime error R6025 is triggered due to a malware attack, then you will have to install and run a powerful antivirus on your PC. This will help detect and remove such malicious software affecting your system.

Cause: Registry Issues

Solution: If registry corruption is the underlying cause of the runtime error R6025 on your PC, then you need to clean up the registry and repair it. The best way to clean and repair the registry is to download Restoro. Restoro is an advanced PC repair tool integrated with powerful and highly functional utilities all in one. Utilities include a registry cleaner and a system optimizer. It has easy navigation, a user-friendly interface, and is compatible with all Windows versions. Users of all levels can operate it to resolve all kinds of PC errors including the runtime error R6025. The registry cleaner utility wipes out all the unnecessary, malicious, obsolete files and invalid entries overloading the RAM. It frees up the disk space, repairs the damaged files and the registry. Furthermore, Restoro also functions as a system optimizer. It detects system instability issues and resolves them while boosting the speed of your PC. To resolve the runtime Error R6025 on your system in seconds click here to download Restoro PC repair tool now!
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How to Remove RelevantKnowledge From PC

RelevantKnowledge is a potentially unwanted program. It is typically bundled by 3rd-party installers and download managers that include other potentially unwanted programs (PUPs). In most cases, the installer will present the user with an RK survey at the end of the setup in order to relate the user’s future behavior to various questions.

From the published: RelevantKnowledge is an online market research community consisting of over 2 million members worldwide, which provides insight into how its members interact with the Internet. In exchange for an agreement to have their Internet behavior monitored, computer users who join RelevantKnowledge are offered various value propositions, including the ability to download screensavers or other software offerings, entry into sweepstakes, and a host of other benefits.

Multiple anti-virus scanners have detected possible malware in RelevantKnowledge.

About Browser Hijackers

If you’ve ever downloaded software via the internet (shareware, freeware, etc,), it’s quite possible you’ve unintentionally installed unwanted programs on your PC. Potentially Unwanted Programs (PUP), also referred to as Potentially Unwanted Applications (PUA), are applications that you never wanted in the first place and often come bundled with freeware. Once installed, the majority of these applications can be tough to get rid of and become much more of an annoyance rather than a necessity. It is clear by its name – unwanted applications – but did not really constitute “malware” in the traditional sense. This is because, the majority of PUPs get into a computer not because they slip through the security holes, for instance, but because the users have got installed them themselves – 100 % unknowingly needless to say. A PUP might not be regarded as malicious or dangerous but nevertheless, it is a common reason for clunky OSs; some PUPs are a lot more aggressive by deliberately slowing down your PC.

The harm unwanted programs could do

PUPs come in various forms. Typically, they could be seen in adware bundlers that are known to use aggressive and misleading advertising. The majority of bundlers install many adware programs from a number of vendors, each of which features its own EULA policy. Safebytes Anti-Malware totally eradicates this threat and safeguards your computer against PUP or adware infection. Additionally, the majority of free programs nowadays come with a few unwanted add-ons; in most cases a web browser toolbar or browser modification such as a homepage hijacker. They can modify browser settings, change the default search engine, replace the default home page with their own websites, slow down internet speed, and also will damage your system as well. PUPs carry a dangerous bite if left unchecked. The most detrimental part of installing a PUP is the spyware, adware, and keystroke loggers that might hide inside. These are programs that don’t really do anything good for you; in addition to taking up space on your hard disk drive, they also slow down your PC, often modify settings without your authorization, the list of frustrating features goes on and on.

Tips on how to avoid getting a PUP

• When installing anything on your personal computer, always study the fine print, including the license agreement. Do not accept terms of use that are for bundled programs. • Use ONLY custom or manual install method – and never thoughtlessly click Next, Next, Next. • Use good antimalware software, such as Safebytes Anti-Malware which offers real-time protection against PUPs. • Think carefully before you download any kind of shareware or freeware. Turn off or get rid of toolbars and browser extensions you don’t actually need. • Always download applications from the original website. The majority of PUPs find their way onto your laptop or computer is via download portals, so steer clear of it entirely.

What To Do If You Cannot Install Safebytes Anti-Malware?

Viruses may cause a lot of damage to your personal computer. Some malware is meant to interfere with or block things that you want to do on your computer system. It may well not allow you to download anything from the net or stop you from accessing some or all websites, particularly the anti-malware sites. If you are reading this article now, you’ve probably realized that virus infection is the real cause of your blocked internet connectivity. So how to proceed if you need to download and install an anti-malware program like Safebytes? Although this kind of problem can be harder to get around, there are a few actions you can take.

Download the application in Safe Mode with Networking

In Safe Mode, you may change Windows settings, un-install or install some applications, and remove hard-to-delete viruses. If the malware is set to load automatically when the computer starts, shifting to this mode can prevent it from doing so. To start the computer into Safe Mode, press the “F8” key on your keyboard just before the Windows boot screen appears; Or right after normal Windows boot up, run MSCONFIG, look over “Safe Boot” under Boot tab, and then click Apply. As soon as you reboot into Safe Mode with Networking, you can download, install, and update anti-malware software from there. Right after installation, run the malware scanner to eliminate standard infections.

Use an alternate web browser to download antivirus software

Web-based viruses could be environment-specific, aiming for a specific internet browser or attacking specific versions of the browser. The most effective solution to overcome this problem is to go with a browser that is well known for its security measures. Firefox has built-in Phishing and Malware Protection to keep you secure online.

Install anti-malware on a USB drive

Another option is to save and operate an antivirus software tool entirely from a Flash drive. Do these simple actions to clean up your infected PC using a portable antivirus. 1) On a virus-free computer, download and install Safebytes Anti-Malware. 2) Insert the USB drive into the clean PC. 3) Double click on the downloaded file to open the installation wizard. 4) Select the drive letter of the flash drive as the location when the wizard asks you exactly where you would like to install the antivirus. Follow the directions to complete the installation process. 5) Transfer the thumb drive from the uninfected computer to the infected PC. 6) Double-click the Safebytes Anti-malware icon on the pen drive to run the application. 7) Simply click “Scan Now” to run a complete scan on the affected computer for malware.

Protect Your Computer & Privacy With SafeBytes Anti-Malware

Want to download the best anti-malware software program for your laptop? There are lots of applications on the market that comes in free and paid versions for Windows systems. A few are really worth your money, but many aren’t. You need to pick a tool that has got a good reputation and detects not only computer viruses but other types of malware also. Among few good applications, SafeBytes Anti-Malware is the highly recommended program for the security-conscious individual. SafeBytes antimalware is a highly effective and user-friendly protection tool that is suitable for end-users of all levels of IT literacy. After you have installed this application, SafeByte's sophisticated protection system will make sure that no viruses or malware can seep through your PC. SafeBytes has excellent features when compared to other anti-malware programs. Here are some popular features present in this tool: World-class AntiMalware Protection: Safebytes is made on the best virus engine within the industry. These engines will detect and remove threats even during the early stages of a malware outbreak. Real-time Active Protection: SafeBytes delivers complete and real-time security for your laptop or computer. They’re highly efficient in screening and getting rid of numerous threats because they’re constantly revised with the latest updates and safety measures. Internet Security: Through its unique safety score, SafeBytes informs you whether a site is safe or not to visit it. This will ensure that you’re always certain of your safety when browsing the net. Very Low CPU and Memory Usage: This program is not “heavy” on the computer’s resources, so you will not notice any overall performance difficulties when SafeBytes is operating in the background. 24/7 Online Technical Support: SafeBytes provides 24/7 technical support, automatic maintenance, and upgrades for the best user experience.

Technical Details and Manual Removal (Advanced Users)

If you wish to manually remove RelevantKnowledge without the use of an automated tool, it may be possible to do so by removing the program from the Windows Add/Remove Programs menu, or in cases of browser extensions, going to the browsers AddOn/Extension manager and removing it. You will likely also want to reset your browser. To ensure the complete removal, manually check your hard drive and registry for all of the following and remove or reset the values accordingly. Please note that this is for advanced users only and may be difficult, with incorrect file removal causing additional PC errors. In addition, some malware is capable of replicating or preventing deletion. Doing this in Safe Mode is advised.

The following files, folders, and registry entries are created or modified by RelevantKnowledge

Files: File%COMMONPROGRAMSRelevantKnowledgeAbout RelevantKnowledge.lnk. File%COMMONPROGRAMSRelevantKnowledgePrivacy Policy and User License Agreement.lnk. File%COMMONPROGRAMSRelevantKnowledgeSupport.lnk. File%COMMONPROGRAMSRelevantKnowledgeUninstall Instructions.lnk. File%PROGRAMFILESRelevantKnowledgechrome.manifest. File%PROGRAMFILESRelevantKnowledgecomponentsrlxg.dll. File%PROGRAMFILESRelevantKnowledgecomponentsrlxh.dll. File%PROGRAMFILESRelevantKnowledgecomponentsrlxi.dll. File%PROGRAMFILESRelevantKnowledgecomponentsrlxj.dll. File%PROGRAMFILESRelevantKnowledgeinstall.rdf. File%PROGRAMFILESRelevantKnowledgerlcm.crx. File%PROGRAMFILESRelevantKnowledgerlcm.txt. File%PROGRAMFILESRelevantKnowledgerlls.dll. File%PROGRAMFILESRelevantKnowledgerlls64.dll. File%PROGRAMFILESRelevantKnowledgerloci.bin. File%PROGRAMFILESRelevantKnowledgerlph.dll. File%PROGRAMFILESRelevantKnowledgerlservice.exe. File%PROGRAMFILESRelevantKnowledgerlvknlg.exe. File%PROGRAMFILESRelevantKnowledgerlvknlg64.exe. File%PROGRAMFILESRelevantKnowledgerlxf.dll. Directory %COMMONPROGRAMSRelevantKnowledge. Directory %PROGRAMFILESRelevantKnowledgecomponents. Directory %PROGRAMFILESRelevantKnowledge. Registry: Key mkndcbhcgphcfkkddanakjiepeknbgle at HKEY_LOCAL_MACHINESOFTWAREGoogleChromeExtensions. Key RelevantKnowledge at HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrentVersionWinlogonNotify. Key rlvknlg at HKEY_LOCAL_MACHINESOFTWAREMicrosoftESENTProcess. Value 3C5F0F00-683D-4847-89C8-E7AF64FD1CFB at HKEY_LOCAL_MACHINESOFTWAREMozillaFirefoxExtensions. Value %PROGRAMFILESrelevantknowledgerlvknlg.exe at HKEY_LOCAL_MACHINESYSTEMControlSet001ServicesSharedAccessParametersFirewallPolicyStandardProfileAuthorizedApplicationsList. Value %PROGRAMFILESrelevantknowledgerlvknlg.exe at HKEY_LOCAL_MACHINESYSTEMControlSet002ServicesSharedAccessParametersFirewallPolicyStandardProfileAuthorizedApplicationsList. Value %PROGRAMFILESRelevantKnowledgerlvknlg.exe at HKEY_LOCAL_MACHINESYSTEMControlSet003ServicesSharedAccessParametersFirewallPolicyStandardProfileAuthorizedApplicationsList.
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nslookup works but ping fails in Windows
nslookup is a command-line tool that helps in finding the DNS records of a website. It sends a name server query to the DNS and obtains the corresponding IP address. Aside from that, it can also perform some complex functionality such as finding details about FTP server, Mail server and many more but most of them are used by administrators. The best thing about nslookup is that it queries the DNS server directly and it does not rely on the cache. On the other hand, there is another tool called PING that is used to verify connectivity. PING sends a packet of information to the IP address or Domain and gets back a response in the form of packets. So if everything goes well, all packets are received but if not, it will help you find out where the delay in the network exactly is. However, the ping command does not always attempt a DNS lookup which means that it might be using the DNS cache and use the IP address available in that table. Although both nslookup and PING help you in identifying the host or IP address, however, they don’t always work and sometimes fail. So if your nslookup works but ping fails on your Windows 10 PC when querying the IP address of a website then it could be caused by many reasons. It could be that the nslookup queries work for you but when you try to use PING, it fails. For instance, if you open the abc.com website, here’s how it will look like:
nslookup xyz.com Server: dns.company.com Address: 192.168.1.38 C:> ping xyz.com Ping request could not find host xyz.com. Please check the name and try again.
The domain is converted into an IP address and then data is sent to that IP address when you use PING. So when a reply comes back it means that the data is going back and forth to that domain without any problem. However, if the DNS fails to resolve the IP address of the website or if your PC does not attempt a DNS lookup, you will receive a similar error message that says, “Could not find host” and so on. To resolve this issue, here are some options that might help.

Option 1 – Reset Winsock, TCP/IP & Flush DNS

Resetting Winsock, TCP/IP, and flushing DNS might help you resolve the issue with nslookup and PING. To do so, follow these steps:
  • Right-click on the Start button and click on Command Prompt (administrator) so you can pull up an elevated Command Prompt.
  • After that, execute each one of the commands listed below. And after you typed in one after the other, you have to hit Enter.
  1. netsh winsock reset – type in this command to reset Winsock
  2. netsh int ip reset resettcpip.txt – type in this command to reset TCP/IP
  3. ipconfig /flushdns – type in this command to flush the DNS cache
  • Next, restart your PC and check if the problem’s fixed.

Option 2 – Force Windows to do a DNS lookup using FQDN

  • Go to Settings > Network & Internet > Status > Change adapter options.
  • From there, right-click on the network and select Properties.
  • Next, in case you’re using IPv6, from the list of connections available in the list, select Internet Protocol Version 4.
  • Then click on Properties and click Advanced.
  • After that, switch to the DNS tab and select “Append these DNS suffixes (in order)” and click on the Add button and then add “.” as a suffix so that each time you query using PING and another tool, it will add a “.” at the end and will force the lookup.

Option 3 – Make sure that there is only one default gateway

If your computer has more than one NIC connected and there are multiple default gateways, then it will most likely create confusion which is why you need to remove the default gateway from the configuration of all NICs and make sure that there is only one default gateway.

Option 4 – Use the Google Public DNS

You might want to change your DNS to Google Public DNS as it could also help you in fixing the nslookup and PING issues. To do so, follow the steps below.
  • The first thing you have to do is right-click on the network icon in the Taskbar and select Network and Sharing Center.
  • Next, click on the “Change Adapter Settings” option.
  • After that, search for the network connection that you are using to connect to the internet. Note that the option might be “Wireless Connection” or “Local Area Connection”.
  • Right-click on your network connection and click on Properties.
  • Then select the new window to choose the “Internet Protocol 4 (TCP/IPv4)” option.
  • After that, click on the Properties button and click the checkbox in the new window for the option “Use the following DNS server addresses”.
  • Type in “8.8.8.8” and “8.8.4.4” and click OK and exit.

Option 5 – Check the Windows Host file

You can also try to cross-check the Windows Hosts file to find out if the website you are trying to open has been blocked, because if it is, then it’s no wonder why PING fails even when nslookup works. There are instances when some third-party application modifies the file and adds some websites to the blocklists. So if the website is indeed blocked, you need to remove it from the list.

Option 6 – Delete the WLAN Profiles

Deleting the WLAN Profiles might be a good idea if you are not able to connect to the internet on your computer and if you’re using Wi-Fi. It could be that the networks that were connected previously have gone rogue which is why it is not connecting properly. And so deleting the WLAN profiles might help you in fixing the issue with nslookup and PING.

Option 7 – Reinstall the Network Adapter Drivers

  • Tap the Win + R keys to launch the Run window and then type in the “msc” command and hit Enter to open the Device Manager window.
  • Under the Device Manager, you will see a list of drivers. From there, look for the Network Adapters and expand it.
  • Then right-click on each one of the Network drivers and select “Uninstall device”.
  • Restart your PC.
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Fixing To use System Restore you must ...
There are cases when you want to undo some changes you’ve made to your computer and to do that you have to perform the System Restore task. However, if you encounter an error that states “To use System Restore you must specify which Windows installation to restore”, when doing so, read on as this post will help you fix the problem. This kind of error in System Restore could be due to corrupted files in the system. There are also situations where you are not able to boot up once you encounter this error which could be a big problem. On the other hand, this error might have something to do with corrupted BCD files. Whatever the cause is, here are some potential fixes you have to try.

Option 1 – Try to run System File Checker offline

Like pointed out, since the error might be due to corrupted system files, you can try to run System File Checker offline. How? Refer to these steps:
  • You need to go to the Advanced Startup Options and from there select Troubleshoot.
  • Next, select the Advanced Options and then Command Prompt.
  • After opening Command Prompt, type the commands given below and tap Enter right after you type each one of them.
    • Cd /
    • Dir
  • If you can see the “Users” folder, that is your system’s drive. However, if you can’t see it, you can just change the drive-by assigning “D” as its alphabet volume.
  • Then execute this command where “C” is the system drive: sfc /scannow /offbootdir=C: /offwindir=C:Windows
  • Now repeat the given steps sequentially.

Option 2 – Try to run DISM tool

You can also run the DISM tool to repair the potentially corrupted system image. First, you have to check the health of the system like checking the integrity of the system files and Windows services. To run DISM, follow the given steps below sequentially.
  • Open Command Prompt from the Advanced Startup options.
  • After that, execute this command where “C:” is the system volume: DISM /Image:C:Windows /Cleanup-Image /RestoreHealth /Source:C:WindowsWinSxS
  • If you encounter an error after executing the given command, insert the Windows USB or DVD and then execute this next command where “E:” is the USB or DVD drive: DISM /Image:C:Windows /Cleanup-Image /RestoreHealth /Source:esd:E:SourcesInstall.esd:1 /limitaccess
  • In some cases, “install.esd” would be “install.wim” and in such case, you have to modify and execute this command: DISM /Image:C:Windows /Cleanup-Image /RestoreHealth /Source:wim:E:SourcesInstall.wim /limitaccess

Option 3 – Try to repair corrupted BCD

As mentioned, the error could also be due to corruption in BCD, and to fix it, you can use Bootrec.exe – a built-in command-line tool used to troubleshot issues related to boot up and Windows Startup. Before you run this tool, make sure that you have inserted a bootable USB or DVD into your computer. Once you have that covered, follow these steps:
  • You need to go to the Advanced Startup Options.
  • Then click on Troubleshoot.
  • Next, select the Advanced Options and then Command Prompt.
  • Once Command Prompt has been pulled up, enter each one of the following commands and in the sequence that they are given to rebuild BCD files and repair MBR files:
    • Bootrec /Fixmbr
    • Bootrec /FixBoot
  • After you execute the commands given above, you should see a confirmation message that says, “The operation completed successfully”.
  • Now type the “Bootrec /RebuildBCD” command to rebuild BCD.
  • Finally, close Command Prompt and then restart your computer to successfully apply the changes made.

Option 4 – Try to run the Automatic Repair Utility

You might also want to use Automatic Repair in fixing the error. To do so, follow the steps below.
  • You can start by creating and booting from a bootable Windows 10 USB Stick.
  • After that, click on Repair your computer located in the bottom left corner when you are on the initial Windows Startup screen.
  • Next, click on Troubleshoot, and then on the other screen, click the Startup Repair option.
  • Now select the operating system you want to repair. Once you do that, it will start to repair your operating system. Wait until the process is completed and then check if the problem’s now fixed.

Option 5 – Try to use the Windows Recovery Environment

If the four options given above didn’t help fix the problem, you could try running Windows Repair and a Windows bootable USB or DVD.
  • First, insert the bootable USB or DVD and boot into it, and select the “Repair your computer” option.
  • Next, once you see the manufacturer logo on your computer, tap the key to enter into Windows Recovery Environment.
  • After that, change the Boot sequence to DVD drive under the UEFI Firmware settings and restart your computer.
  • Once your computer has restarted, select the boot order and make changes accordingly as displayed in the BIOS.

Option 6 – Try running System Restore in Advanced Startup Options

Since you probably can’t boot into your Windows 10 computer, you can try to run System Restore again in the Advanced Startup Options.
  • Boot your computer into the Advanced Startup Options screen.
  • From there, you will see some options to troubleshoot when you can’t log in to Windows in the usual way.
  • Now select Troubleshoot > Advanced Options > Command Prompt.
  • After that, type “exe /OFFLINE:C:Windows” and hit Enter to execute the command which will start the System Restore process.
Note: You need to replace “C” with the drive where Windows Installation is located.
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An Easy Guide to Resolve Xpcom.dll Error

Xpcom.dll Error Code - What is it?

To understand the Xpcom.dll error better, first, you need to know what Xpcom.dll file is. Xpcom.dll is basically a typical DLL (Dynamic Link Library) file. It is associated with Firefox developed by Mozilla Foundation for the Windows Operating System. DLL file contains small programs similar to exe (executable) files. Just like any other DLL file, Xpcom.dll helps loads and run programs smoothly. Xpcom.dll functions as a shared file that can be used to run multiple programs on your PC. Xpcom.dll error code occurs when Windows cannot properly load the xpcom.dll file. The error may pop up on the screen in any one of the following formats:
  • "Xpcom.dll not found."
  • "The file xpcom.dll is missing."
  • "Cannot register xpcom.dll."
  • "Cannot find C:\Windows\System32\xpcom.dll."
  • "This application failed to start because xpcom.dll was not found. Re-installing the application may fix this problem."
  • "Xpcom.dll Access Violation."
  • "Cannot start Firefox. A required component is missing: xpcom.dll. Please install Firefox again."
The xpcom.dll error can occur during program installation or while rebooting your PC or when shutting it down.[/section]

Solution

Restoro box imageError Causes

It is difficult to narrow down a single cause of this error code simply because the Xpcom.dll error code may be triggered due to several reasons. Some of the common causes include:
  • Invalid or corrupt xpcom.dll registry entry
  • Viral infection
  • Outdated PC drivers
  • Another program overwrote the required version of xpcom.dll
  • Xpcom.dll file is accidentally deleted or uninstalled
  • Mozilla Foundation hardware failure

Further Information and Manual Repair

Here are the best, quick and easy DIY methods to resolve Xpcom.dll error code on your system within minutes:

Method 1: Update Window Drivers

To resolve the xpcom.dll error on your system, try updating Window drivers. To do this simply use the driver update wizard from within Device Manager. The driver update wizard walks you through the entire drive update process, making it easy and hassle-free for you to update drivers.

Method 2: Download and Install Xpcom.dll File

Since DLL are shared files and used to run and load multiple programs, it is possible that you might have accidentally removed this file while uninstalling a program on your system. This is the reason why the Xpcom.dll file goes missing. To retrieve the Xpcom.dll file simply go to the recycle bin. Reinstall the deleted program. However, if it still doesn’t resolve the error, then it is advisable to download and install the Xpcom.dll file from a trusted DLL file website over the internet.

Method 3: Scan for Viruses and Repair the Registry

If the error code occurs due to malware infection or is related to registry issues, then simply download Restoro. This is a user-friendly and multi-functional PC Fixer deployed with 6 scanners including a powerful antivirus and a registry cleaner. It is compatible with all Windows versions. Simply run it to remove all types of viruses infecting your system and clean/repair the registry. Click here to download Restoro and resolve the Xpcom.dll error on your PC.
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Shift Key is not working in Windows
A lot of users rely on keyboard shortcuts to carry out tasks on their PCs. One of the most common keyboard shortcuts used is the Ctrl + Shift + Esc which opens the Task Manager. As you can see, the Shift key is not just used to capitalize a text as it can also be used for other functions and plays an essential role in operating a computer. However, if you suddenly find it not working, read on as this post will help you fix the problem. If your Shift key is not working, there are several potential fixes you can check out to fix it. These are the different ways to get rid of the Shift key not working issue on Windows 10:
  1. Physically clean the key and keyboard
  2. Disable Sticky Keys.
  3. Update, Reinstall, or Rollback Keyboard driver.
  4. Test the keyboard on another system.
  5. Check your connections
  6. Run the Hardware troubleshooter
  7. Troubleshoot in Clean Boot State.

Option 1 – Clean the keyboard keys physically

Your keyboard might not be working properly due to some dirt or other corrosion. Thus, you need to clean your keyboard, especially the Shift key. First, you need to shut down your computer and then unplug the keyboard if you are using a desktop computer and then prepare it for cleaning. After that, use a small cotton ear cleaning tool to get between the creases and clean them. You can dip it slightly in alcohol to make it more efficient in cleaning dust and dirt. And if you can, you have the option to pull apart the keyboard completely and then wipe away all the corrosion from the inside. Once you’re done, put the keyboard back together and then plug it back into your PC. Now turn your PC on and check if the Shift key is now working.

Option 2 – Try to disable the Sticky keys

Another thing you can try is to disable the Stick keys. How? Refer to these steps:
  • Tap the Win + I keys to open the Settings app.
  • After that, navigate to the Ease of Access section, and here, select Keyboard.
  • Next, make sure that the option for Press one key at a time under the Sticky Keys is toggled off.

Option 3 – Reinstall, update or rollback your keyboard driver

Once you’ve determined that the problem is in the software part of the keyboard, it is now time to try to reinstall, update or roll back your keyboard drivers. To reinstall the driver for your keyboard, refer to these steps:
  • From the WinX Menu, open the Device Manager.
  • In the Device Manager, you should find your laptop’s keyboard under the “Keyboards” option. Right-click on it and select the “Uninstall” option.
Note: If you’re not quite certain about your laptop’s keyboard, you can uninstall all the keyboards if there’s more than one.
  • After that, restart your PC and see if the keyboard driver is installing automatically. If not, open the Device Manager again and right-click on Keyboards, and select the option “Scan for hardware changes” to install it.
Once the keyboard driver is installed again, check if your keyboard is now working properly or not.

Option 4 – Try connecting the keyboard to a different USB port or another computer

The problem might have something to do with the USB port that’s currently in use by your keyboard. It could be that it’s not working so it makes sense to unplug it and attach it to another USB port. You can also clean the USB port on both ends to ensure that they are not affected by corrosion. In addition, you can also try connecting the keyboard to a different computer and see if the Shift key works there or not.

Option 5 – Try to check your connections

You can also try checking if the connection mode you are using for your keyboard is functioning properly. For instance, if you are using a Surface 2-in-device, you can clean the connection pins and see if it resolves the problem.

Option 6 – Run the Hardware and Devices Troubleshooters

  • The first thing you need to do is click on Start and then on the gear-like icon to pull up the window for Settings.
  • After opening Settings, look for the Update and Security option and select it.
  • From there, go to the Troubleshoot option located on the left-hand side of the list.
  • Next, select Hardware and Devices from the list and open the Troubleshooter and run it. Once it is doing its job, wait for it to complete the process and then restart the system.
  • After the system restarts, check if the problem’s now fixed. If not, refer to the next option given below.

Option 7 – Put your PC in a Clean Boot State

You might also want to put your computer in a Clean Boot State to fix the problem with the Shift key. It could be that there is a third-party program that’s preventing the Shift key from functioning. To isolate this possibility, you need to put your computer in a Clean Boot State.
  • Log onto your PC as an administrator.
  • Type in MSConfig in the Start Search to open the System Configuration utility.
  • From there, go to the General tab and click “Selective startup”.
  • Clear the “Load Startup items” check box and make sure that the “Load System Services” and “Use Original boot configuration” options are checked.
  • Next, click the Services tab and select the “Hide All Microsoft Services” check box.
  • Click Disable all.
  • Click on Apply/OK and restart your PC. (This will put your PC into a Clean Boot State. And configure Windows to use the usual startup, just simply undo the changes.)
  • Now try to connect the external devices and check if the error is now gone.
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