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‘R6025 pure virtual function call’ is a runtime error that occurs suddenly on the screen and disrupts the program being run prior to it. This error display indicates that the program has been corrupted. R6025 runtime error usually occurs with the Visual C++ framework.

Solution

Error Causes

This error occurs when the C++ program crashes which is usually because of the malfunctioning or missing of the device driver or incomplete device driver files. It happens because your application indirectly calls a pure virtual member function in a context where a call to the function is invalid. Most of the time, the compiler detects it and reports it as an error when building the application. R6025 error is usually detected at run time.

Further Information and Manual Repair

To fix the R6025 pure virtual function call error, you need to find the call to the pure virtual function. After you find the call, you need to rewrite the code so that it is not called again. There are 2 ways to do this:

Alternative 1

One way to fix the R6025 pure virtual function call is to replace the function with an implementation that calls the Windows API function DebugBreak. The DebugBreak causes a hard-coded breakpoint. Once the code stops running at this breakpoint, it is easy for you to view the call stack. By viewing the call stack you can identify the place where the function was actually called.

Alternative 2

Another quick way to find a call to a pure virtual function to fix the R6025 error is to set a breakpoint on the _purecall function that is usually found in PureVirt.c. By breaking this function you can trace the problem occurring and rewrite the call to ensure the error does not occur and the program you are trying to develop on the Visual C++ framework is easily developed. If R6025 Error is related to Windows Registry Problem Then here’s how you can fix the problem: To fix the runtime error R6025, run registry cleaner software to scan and fix all errors.  This alternative is suitable if the R6025 error is related to the Windows registry problem and where the error has occurred due to corrupted or malicious registry entries. You can download the registry cleaner repair tool for free. Run it to scan errors and then click the fix error button to repair the problem immediately.

So you have just got home from that new computer store with your fancy and all-new mouse, screen, keyboard, etc. You plugged in your new component, Windows detected it, installed drivers for it and it is working like a charm. A few months later down the road and the computer starts little by little to slow down. Plug and play is a great concept, and automatic detection is even greater but how time passes old unused stuff piles in your hard drive and in Windows itself thus slowing down your computer and taxing it more and more as new components and software are added. Old drivers from old components sadly are not removed from Windows itself and over some larger period of time they can pile up and slow down your daily operations on the computer or even cause some problems in it. This guide will teach you how to manually remove old unused device drivers from your Windows so it is fresh and like new again.

Making old devices visible

In order for us to remove old drivers, the first thing we must do is make them visible in our device manager, old drivers are hidden and will not show up, we must make this happen. We do this by pressing WINDOWS + X keys on your keyboard to bring up a hidden menu in Windows. Once the menu appears, click on Command Prompt (admin) Once the command prompt with administrator privileges comes on-screen type in it following string: The device manager will open, go to view > snow hidden devices in order to show unused devices.

Removing old device

Open any category and if there is a device that was once used and still has its drivers in the system it will be shown as faded out. Right-click on the device and click on uninstall device to remove it completely from your system. Please always be careful when removing devices so you do not remove the device which is being used by mistake and always double-check that you are removing something that you used to have on your system. This method will show all hidden devices even ones that are hidden but crucial to the system working properly.

Error Code 0x80072F8F - What is it?

Error Code 0x80072F8F manifests in one main way. It is known to appear as early as Windows 7, and mainly deals with an error that occurs in the update process, or when the computer is trying to connect to the online activation service. It can appear when the activation fails to verify the product key. The error code will present itself when the system realizes that the PC's date and time are incorrect. Error Code 0x80072F8F will also appear if the computer has determined that the time zone settings on the computer are not accurate.

When Windows is going through the installation process and is verifying all of the information associated with the computer, Error Code 0x80072F8F will arise, indicating that the information in the computer's settings is not valid. Correct times and dates are necessary when using serial validation keys to install Windows. When these settings are outside of the tolerated window, the problem will arise.

Error Causes

There is only one main symptom to look out for, and it will manifest during a Windows installation. In the midst of the installation, the computer will not be able to proceed with the installation if Error Code 0x80072F8F has popped up. Because the information cannot be verified, Windows will not be able to continue the installation process when the time settings are not accurate. This interrupts the process, causing the need to edit the settings, restart the computer, and try again. It is imperative to be sure that the date and time on the computer are inside of the tolerated window for the serial key.

• This error code will not give any information on how to correct it.
• Windows Error 0x80072F8F is displayed on the screen.
• The error code appears when typing the Windows serial key and proceeding.

Further Information and Manual Repair

When experiencing Error Code 0x80072F8F, the date and time need to be corrected in the computer settings menu, and then verify the correct time zone settings.  There are a few different ways to edit the time and date settings, and one may need to even edit the time zone settings. After this, restarting the computer may be needed. When booting into Windows, the validation code should be activated within 30 days of obtaining the serial number.

• Method One

Check the time and date settings.

1. Open the Start menu.
2. Select Settings, then Time and Language, then Date and Time.
3. Check and make sure that the PC is operating at the correct time and date.

• Method Two

Ensure that the computer is connected to the internet.

1. Enter “network troubleshooter” into the search box located on the taskbar.
2. Select “Identify and Repair Network Problems”.
3. Follow the instructions that are given on-screen. This will fix any problems that the network is experiencing.

• Method Three

Review the timezone.

1. Open the Start menu.
2. Select Settings, then Time and Language, then Date and Time.
3. Check to make sure that the correct timezone is selected from the drop-down menu.

• Method Four

Reboot the PC and check if that fixes the problem. This may help in the event that the network troubleshooter does not detect a problem.

After completing these steps to edit the time, date, and time zone settings, it may be necessary to restart the computer. This is to ensure that the computer will save and recognize the new settings. After restarting, continue the process as intended and enter the product key. The computer will now be able to verify the product key since the time and date will be recognizable. The Windows installation should proceed as normal and complete successfully when the time, date, and time zone are inside of the parameters for the Windows product key.

In short, if it is not, the computer will not be able to recognize the product key, thus will not be able to install the Windows product. Generally, the fix is quite simple and does not take much time at all, but it is very important.

Downloading Windows Updates does not always go smoothly as you can encounter several issues like the “Some updates did not finish downloading, We will keep trying, Error code 0x80246007” error. In fact, this error can also occur on other Windows applications like OneNote. According to security experts, this error happens for many reasons. For one, it could be that the Windows Update database is corrupted. It could also be that there is another process that’s in conflict with the Windows Update components or there might be some issue with the Background Intelligent Transfer Service (BITS). Whichever the cause may be, you can fix it by following the solutions given below.

Option 1 – Delete the contents in the Temporary folder

You can also try deleting the contents in the Temporary folder – all the downloaded, pending, or failed Windows 10 updates. You can do that using the simple and easy steps below.

• Tap the Win + R keys to open the Run dialog box.
• Then type “%temp%” in the field and press Enter to open the Temporary folder.
• After that, select all the folders and files within the Temp folder and delete all of them.

Option 2 – Try running the Windows Update Troubleshooter

Running the built-in Windows Update troubleshooter is one of the things you can first check out as it is known to automatically resolve any Windows Update errors like Error code 0x80246007. 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. After that, follow the next on-screen instructions and you should be good to go.

Option 3 – Try renaming or removing the pending .xml file

The problem might be due to some pending .xml file so you need to rename or remove it. To do so, just go to C:/Windows/WinSxS folder. From there, look for a pending .xml file – you can either rename it or delete it. This will allow the Windows Update to delete any pending tasks and build a new and fresh update check.

Option 4 – Restart the Background Intelligent Transfer Service (BITS)

The Background Intelligent Transfer Service or BITS is a part of the Windows Update service that manages the background download of Windows Update, as well as scans for new updates and so on. Thus, if your Windows Update fails a couple of times, you might want to restart BITS. For you to do that, make sure that you have admin privileges.

• Press the Win + R keys to open the Run dialog box.
• Then type “msc” in the field and hit Enter to open Services.
• After opening Services, look for the Background Intelligent Transfer Service from the list of services and then double click on it to open Properties.
• Next, set the Startup type to Manual and click on the Start button. If it doesn’t help, you can try setting it to Automatic (Delayed) and then reboot your PC.

Option 5 – Run 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 with admin privileges.
• Then type in the following commands and make sure to hit Enter right after you type each one of them:
  • Dism /Online /Cleanup-Image /CheckHealth
  • Dism /Online /Cleanup-Image /ScanHealth
  • 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.

Option 6 – Delete the files from the Software Distribution folder

The downloaded Windows Updates are placed in a folder called “SoftwareDistribution”. The files downloaded in this folder are automatically deleted once the installation is completed. However, if the files are not clean up or if the installation is still pending, you can delete all the files in this folder after you pause the Windows Update service. For complete instructions, refer to the steps below.

• Open the WinX Menu.
• From there, open Command Prompt as admin.
• Then type in the following command – don’t forget to hit Enter right after typing each one of them.

net stop wuauserv net start cryptSvc net start bits net start msiserver

• After entering these commands, it will stop the Windows Update Service, Background Intelligent Transfer Service (BITS), Cryptographic, and the MSI Installer
• Next, go to the C:/Windows/SoftwareDistribution folder and get rid of all the folders and files thereby tapping the Ctrl + A keys to select them all and then click on Delete. Note that if the files are in use, you won’t be able to delete them.

Option 7 – Reset the Catroot2 folder

After resetting the SoftwareDistribution folder, you need to reset the Catroot2 folder to restart the services you just stopped. To do that, follow these steps:

• Type each one of the following commands.

net start wuauserv net start cryptSvc net start bits net start msiserver

• After that, exit Command Prompt and restart your computer, and then try to run Windows Update once more.

Sadooma is a Browser Extension for Google Chrome. This extension offers users the ability to search for any trending news on the web.

This extension changes your default search engine to Yahoo, and while active it changes the displayed ads on your browser, allowing it to make revenue on every ad you click. While this is not inherently malicious, the extension redirects your search to its servers first before forwarding it to yahoo and displaying search results. The information that is sent back to the servers contains your browsing data & visited web pages. As this represents a security and privacy risk, Sadooma is classified as a browser hijacker for its potentially unwanted functions and poor user experience. From the Author:

We’ve got what you need! If you are like us, addicted to interesting viral content, you’ve reached the best place for this. Sadooma will help you to find what is trending right now on the internet in an easy and immediate way. Privacy – We don’t share your information with others. Trending Content – New viral content every day Up to Date – We update sources to keep things fresh. Made with Love – Our content is safe and suitable for all ages.

About Browser Hijackers

Browser hijacking is a type of unwanted software, commonly a browser add-on or extension, which then causes modifications in the web browser’s settings. Browser hijackers can do more than simply modifying home pages. It redirects you to the sponsored sites and inserts advertisements on the internet browser that helps its creator generate earnings. A lot of people think that these types of sites are legitimate and harmless but that is not true. Nearly all browser hijackers pose an existent threat to your online safety and it is vital to classify them under privacy dangers. In a much worst case, your web browser could be hijacked to download malicious software that will do a lot of damage to your computer.

Indications of browser hijack

There are many symptoms that point to a browser hijacking: you see unauthorized modifications to your web browser’s homepage; you get re-directed to sites you never intended to visit; default web engine is modified; you’re getting browser toolbars you haven’t noticed before; your internet browser will display constant pop-up windows; your web browser starts running slowly or presents frequent errors; You can’t access certain websites, particularly anti-virus websites.

How they get into your computer or laptop

Browser hijackers infect computers via malicious email attachments, downloaded infected computer files, or by visiting infected sites. Many web browser hijackings originate from add-on software, i.e., browser helper objects (BHO), toolbars, or extensions added to web browsers to give them extra features. Browser hijackers sneak to your computer along with free software application downloads that you unknowingly install alongside the original. An example of some well-known browser hijacker includes Conduit, Anyprotect, Babylon, SweetPage, DefaultTab, RocketTab, and Delta Search, but the names are regularly changing.

Removal

Certain browser hijacking could be quite easily stopped by finding and removing the corresponding malware application from your control panel. But, the majority of hijackers are really tenacious and require specialized applications to remove them. You should think about undertaking manual repairs only if you’re a tech-savvy individual, as potential risks are associated with fiddling with the system registry and HOSTS file. You might opt for automatic browser hijacker removal methods by simply installing and running a reliable anti-malware application. One of the top tools for correcting browser hijacker malware is SafeBytes Anti-Malware. It can help you remove any pre-existing malware in your computer and gives you real-time monitoring and protection from the latest internet threats. Together with the anti-malware tool, a system optimizer will help you in removing all linked files and modifications in the computer registry automatically.

What To Do When You Cannot Install Any Antivirus?

All malware is inherently dangerous, but certain kinds of malware do a lot more damage to your computer than others. Some malware variants modify internet browser settings by including a proxy server or change the computer’s DNS configurations. In such cases, you’ll be unable to visit some or all websites, and thus unable to download or install the required security software to clear out the computer virus. If you are reading this, you may have infected by a virus that prevents you from downloading computer security software like Safebytes Anti-Malware. Although this sort of issue will be difficult to circumvent, there are some steps you can take.

Make use of Safe Mode to resolve the problem

In Safe Mode, you could adjust Windows settings, un-install or install some programs, and eliminate hard-to-delete malware. If the malicious software is set to load immediately when the computer starts, switching into this mode may well prevent it from doing so. In order to enter into Safe Mode or Safe Mode with Networking, press the F8 key while the computer is starting up or run MSCONFIG and locate the “Safe Boot” options under the “Boot” tab. Once you are in safe mode, you can try to download and install your anti-malware software program without the hindrance of malicious software. After installation, run the malware scanner to eliminate most standard infections.

Switch to some other browser

Malicious code may exploit vulnerabilities on a specific internet browser and block access to all anti-virus software websites. When you suspect that your Internet Explorer happens to be hijacked by a computer virus or otherwise compromised by hackers, the best plan of action is to switch to a different internet browser such as Google Chrome, Mozilla Firefox, or Apple Safari to download your chosen security application – Safebytes Anti-Malware.

Install and run anti-virus from your Thumb drive

Another solution is to save and run an antivirus program entirely from a USB drive. Try these simple actions to clear up your infected PC using a portable antivirus. 1) Make use of another virus-free PC to download Safebytes Anti-Malware. 2) Plug the Flash drive into the clean computer. 3) Double-click the Setup icon of the antivirus software to run the Installation Wizard. 4) Select the drive letter of the flash drive as the location when the wizard asks you where you would like to install the anti-virus. Follow the on-screen instructions to finish the installation process. 5) Remove the pen drive. You may now use this portable anti-malware on the infected computer. 6) Double click the Safebytes Anti-malware icon on the flash drive to run the program. 7) Run Full System Scan to identify and get rid of all kinds of malware.

Let's Talk About SafeBytes Anti-Malware!

If you are looking to download the anti-malware program for your computer, there are several tools in the market to consider however, you cannot trust blindly anyone, no matter whether it is paid or free program. Some of them do a great job in getting rid of malware threats while some will affect your PC themselves. You have to purchase a tool that has got a good reputation and detects not just viruses but other sorts of malware as well. One of the recommended tools by industry analysts is SafeBytes Anti-Malware, the safest program for Microsoft Windows. SafeBytes anti-malware is a powerful, very effective protection software made to assist users of all levels of IT literacy in finding and removing malicious threats out of their personal computers. Using its cutting-edge technology, this application will help you get rid of several types of malware including computer viruses, PUPs, trojans, worms, ransomware, adware, and browser hijackers. There are many great features you’ll get with this security product. Below are some of the highlighted features included in the tool. Real-time Threat Response: SafeBytes provides round-the-clock protection for your PC restricting malware intrusions instantly. It will regularly monitor your laptop or computer for hacker activity and also provides users with advanced firewall protection. World-class AntiMalware Protection: Safebytes is made on the best virus engine in the industry. These engines will find and get rid of threats even during the early phases of a malware outbreak. Faster Scanning: This software has got one of the quickest and most effective virus scanning engines in the industry. The scans are very accurate and take a short amount of time to complete. Safe Web Browsing: SafeBytes provides an instant safety rating on the web pages you are about to check out, automatically blocking unsafe sites and make sure that you’re certain of your online safety while browsing the net. Lightweight Tool: SafeBytes is a lightweight and user-friendly anti-virus and antimalware solution. Since it uses minimal computer resources, this application leaves the computer’s power exactly where it belongs to: with you actually. 24/7 Online Technical Support: You could get high levels of support round the clock if you’re using their paid software. To sum it up, SafeBytes Anti-Malware is pretty great for securing your laptop or computer against all sorts of malware threats. There is no doubt that your computer will be protected in real-time as soon as you put this software to use. So if you’re trying to find a comprehensive antivirus program that’s still simple enough to use, SafeBytes Anti-Malware is exactly what you will need!

Technical Details and Manual Removal (Advanced Users)

If you don’t want to use malware removal software and prefer to eliminate Sadooma manually, you could do so by going to the Add/Remove Programs menu in the Control Panel and removing the offending software; in cases of browser add-ons, you may uninstall it by visiting the browser’s Add-on/Extension manager. You might even want to reset your browser settings, as well as clear your web browser cache and cookies. In order to ensure the complete removal, manually examine your hard disk and registry for all the following and eliminate or reset the values as needed. However, editing the Windows registry is actually a complicated job that only advanced users and professionals should try to fix it. In addition, certain malicious programs have the capability to defend against its deletion. You are encouraged to do this procedure in Safe Mode.

Error Code 0xc004fc03 – What is it?

Error code 0xc004fc03 occurs when Windows users fail to activate their Windows operating system due to a networking problem. The error code’s common symptoms include the following:

• Inability to activate Windows 10 operating system
• Message box with error code 0xc004fc03

Solution

Error Causes

Error code 0xc004fc03 in Windows 10 usually occurs due to issues related to a Windows user’s network. Your computer may be having problems connecting to the Internet or your firewall may be blocking or interrupting your device’s ability to activate Windows 10. In some cases, users may simply need to wait a day or two to reattempt to activate their system using a valid product key, as there may be an issue with the Windows activation servers.  Failure to promptly fix this error code might result in other Windows 10 error messages, such as error code 0xc004f034.

Further Information and Manual Repair

To rectify the error code, Windows 10 users will need to perform manual repair procedures that fix the underlying problems causing error code 0xc004fc03. These procedures may include reconnecting to one’s network, checking your firewall settings, or activating your Windows operating system via phone. The manual repair methods are simple and do not require technical knowledge of the Windows operating system. If your attempts at manually repairing this error code fail, however, you may need to try a few other procedures.

Method One: Verify Internet Connection

To check your Internet connection, you’ll need to access the Network & Internet tab in Windows 10. Follow the instructions below to access this tab and fix Internet connectivity issues if they are preventing you from activating Windows on your machine.

• Step one: Click the Start button and select Settings
• Step two: Select Network & Internet
• Step three: Click the Status section of the Network & Internet tab

If your status shows that you are not connected to a network, you will need to fix your connection. Simply use the Network Troubleshooter to troubleshoot your connection. You will be able to activate your copy of Windows once your connectivity issues are resolved.

If, however, the problem persists and error code 0xc004fc03 occurs during the activation process, this simply means that the existence of the error code is not due to connectivity or networking problems. In such a case, move to the next manual repair method listed below and follow the exact instructions given.

Method Two: Check Firewall Settings

Windows Firewall protects your PC from hackers, worms, and other malicious programs. However, in some cases, it may result in error codes like error code 0xc004fc03. If your firewall is interfering with the Windows 10 activation, you’ll be able to rectify the problem by simply adjusting your settings. Follow the steps below to check – and adjust if necessary – your Windows Firewall settings.

• Step one: Click search bar and type firewall
• Step two: Select Windows Firewall
• Step three: Select Turn Windows Firewall on or off

In some cases, Windows users may not be able to adjust settings within the Windows Firewall tab, as your firewall settings may be controlled by a third party antivirus software. If this is the case, open the antivirus software and turn off the firewall if the software does not prevent you from making such changes to its settings.

Note, however, that you will need to readjust the settings as soon as you activate your version of Windows 10. This is due to the fact that turning off your firewall settings permanently may lead to exposure to worms and other malicious programs.

Method Three: Activate Windows by Phone

Activation of Windows via phone is another option for individuals experiencing error code 0xc004fc03. The activate by phone option in the Update & Security tab will be available once you fail to activate Windows 10. To complete this manual repair method, follow the steps below.

• Step one: Select Settings
• Step two: Click Update & security
• Step three: Select Activate by phone
• Step four: Follow the instructions provided thereafter.

This is one of the most effective ways to fix error code 0xc004fc03. If the issue persists, however, you can proceed to the last resort.

Method Four: Download an Automated Tool

If you wish to always have at your disposal a utility tool to fix these Windows 8 and other related issues when they do arise, download and install a powerful automated tool.

Realtek sound device not playing sound is a common Windows issue.  It happens occasionally and luckily it can be solved with a little effort and in a short time period. Today in this article we will explore the most common reasons and solutions for driver malfunction for Realtek inside Windows 10. If you have this particular problem, go from step 1 to the last step since all steps are meant to go from simplest to the most complex. All of that being said let us fix your Realtek driver issue.

1. Check Speakers or/and Headphones first

   The first thing would in any troubleshooting be to check are your speakers turned on or are your headphones connected and the volume or switch on them is set properly. Nothing more embarrassing than spending an hour or so troubleshooting only to find out that issue was in a malfunction of speakers or them not being turned on.

2. Check the Volume control in Windows

   Same as the previous step where you have checked hardware, now it is time to check to see if the volume control is set properly and not by any chance muted or volume is brought all the way down.

3. Check if the Device Manager is reporting an error and update the driver

   If both hardware is functioning properly and volume control in Windows is set correctly then the issue might be in Windows not detecting device or driver malfunction. In any case, the Device Manager will be the one who will report this problem. In order to check to see if the driver is properly working press ⊞ WINDOWS + X to open the hidden start menu. Once it opens, click on Device Manager to open it, If you have a driver device error inside Windows, you should see it immediately when entering the Device Manager, it will have a yellow exclamation mark beside it. Right-click on it and choose update driver.

4. Reinstall driver

   If driver update failed or you already have the latest drivers, reinstalling them could fix the issue since drivers might have corrupted during installation of some update or application. Follow steps from point 3 to get to the driver in Device Manager, then right-click on it but instead of update choose to uninstall. Reboot Windows once the driver is uninstalled and Windows will install a new one.

5. Check Windows update

   Check to see if the latest Windows update is installed, update your Windows if needed

6. Fix driver issue with DRIVERFIX

   If everything else fails, get DRIVERFIX, a premium solution for your PC issues, and fix driver errors.

If you encounter a Blue Screen error that points to the Wdf01000.sys file, then this post might be of help. Wdf01000.sys is a file related to the Windows Driver Framework which is the one that manages the system drivers. So if this file ends up being corrupted, the drivers would start to cause trouble in the system which would lead to a Blue Screen of Death error eventually. There are lots of error descriptions that are associated with the Wdf01000.sys file such as:

• DRIVER_IRQL_NOT_LESS_OR_EQUAL
• System_Thread_Exception_Not_Handled
• Page_Fault_In_Nonpaged_Area
• System_Service_Exception
• Kmode_Exception_Not_Handled
• DRIVER_VERIFIER_DETECTED_VIOLATION

Although the troubleshooting steps you must take depends on the kind of BSOD error you are getting, there are a couple of options you can try to resolve the Blue Screen errors related to the Wdf01000.sys file. Refer to the options given below.

Option 1 – Try running the DISM tool

You can try running the Deployment Imaging and Servicing Management or DISM tool to fix the Wdf01000.sys Blue Screen error. Using this built-in tool, you have various options such as the “/ScanHealth”, “/CheckHealth”, and “/RestoreHealth”.

• Open the Command Prompt with admin privileges.
• Then type in the following commands and make sure to hit Enter right after you type each one of them:
  • Dism /Online /Cleanup-Image /CheckHealth
  • Dism /Online /Cleanup-Image /ScanHealth
  • 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.

Option 2 – Try to update or rollback your device drivers

If the first option didn’t work for you, then it’s time to either update or roll back the device drivers. It is most likely that after you updated your Windows computer that your driver also needs a refresh. On the other hand, if you have just updated your device drivers then you need to roll back the drivers to their previous versions. Whichever applies to you, refer to the steps below.

• Open the Devices Manager from the Win X Menu.
• Then locate the device drivers and right-click on them to open the Properties.
• After that, switch to the Driver tab and click on the Uninstall Device button.
• Follow the screen option to completely uninstall it.
• Finally, restart your computer. It will just reinstall the device drivers automatically.

Note: You can install a dedicated driver on your computer in case you have it or you could also look for it directly from the website of the manufacturer.

Option 3 – Use the Driver Verifier Manager

The Driver Verifier Manager is another tool in Windows that could help you fix driver-related issues. And so if you want to fix the Wdf01000.sys Blue Screen error, you need to use the Driver Verifier Manager:

• Type in the keyword “Verifier” in the Cortana search box to search for Verifier in Windows 10.
• After that, select the option “Create custom settings”.
• Make sure that you have checked everything except the options “DDI compliance checking” and “Randomized low resources simulation”.
• Next, select the option “Select driver names from a list” option.
• Afterward, you have to select all the drivers from any unofficial or third-party provider. To simply put it, you have to select all the drivers that are not supplied by Microsoft.
• Then click on the Finish button.
• Open Command Prompt as administrator and execute this command – verifier /querysettings
• The command you just executed will display the Driver Verifier settings so if you see any of the flags enabled boot your Windows 10 PC into Safe Mode.
• Open the Command Prompt as admin again and run this command – verifier /reset
• The command will reset the Driver Verifier. Once the process is done, restart your PC and check.

Option 4 – Run the System File Checker Scan

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 to good system files. 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.

• Reboot your computer.

Option 5 – Run the Blue Screen Troubleshooter

The Blue Screen troubleshooter is a built-in tool in Windows 10 that helps users in fixing BSOD errors like Wdf01000.sys. It can be found on the Settings Troubleshooters page. To use it, refer to these steps:

• Tap the Win + I keys to open the Settings panel.
• Then go to Update & Security > Troubleshoot.
• there, look for the option called “Blue Screen” on your right-hand side and then click the “Run the troubleshooter” button to run the Blue Screen Troubleshooter and then follow the next on-screen options. Note that you might have to boot your PC into Safe Mode.

There are a lot of users who use their Windows 10 PCs to create and access data on their servers using their network. However, some of them reported getting an error saying that the server is not accessible. Here’s the full content of the error message:

“\server is not accessible. You might not have permission to use this network resource. Contact the administrator of this server to find out if you have access permissions. Logon Failure: The target account name is incorrect.”

If you are among the users who experience the same issue, read on as this post will help you resolve this error when accessing your server. But before you start troubleshooting the problem, you might want to perform System Restore, especially if tend to create one. To use System Restore, here’s what you have to do:

• Tap the Win + R keys to open the Run dialog box.
• After that, type in “sysdm.cpl” in the field and tap Enter.
• Next, go to the System Protection tab then click the System Restore button. This will open a new window where you have to select your preferred System Restore point.
• After that, follow the on-screen instructions to finish the process and then restart your computer and check if the problem is fixed or not.

If System Restore didn’t help in fixing the ACPI.sys Blue Screen error now’s the time for you to make use of the potential fixes laid out below.

Option 1 – Try rebooting your router

The first thing you can try to do to fix the error is to simply restart your router. All you need to do is reboot the router from its Admin panel or you can also turn it off manually and turn it back on after a couple of seconds so that it can completely reboot. Once you’re done, try accessing your server again and see if the error is now fixed.

Option 2 – Try checking the status of the Workstation Service

You might want to check the status of the Workstation Service as the error might have something to do with it.

• Tap the Win + R keys on your keyboard to launch the Run utility.
• Then type “services.msc” in the field and click OK or hit Enter to open the Windows Services Manager.
• After opening the Services Manager, you will see a list of all the services on your computer and from there, locate the Workstation Service.
• Double click on the Workstation Service to open its Properties.
• Next, Stop the Service and Start it again or you can also right-click on it and select Restart and then make sure that its Startup type is set to Automatic.
• Now restart your computer and check if the error is fixed.

Option 3 – Try to change the File Sharing Connections setting

You can also try to change the File Sharing connections setting. All you have to do is go to Control Panel > Network and sharing center > Advanced sharing settings > File sharing connections. From there, you need to select “Enable file sharing for devices that use 40 or 56-bit encryption and check if it helps in fixing the problem. If not, undo the changes you’ve made and proceed to the next given option.

Option 4 – Try checking the Network Configuration

Checking the Network Configuration can also help you fix the error. Refer to the steps below to do so:

• Right-click on the Wi-Fi connection or on the Ethernet connection icon located in the system tray.
• Then select open Network and Internet Settings and then click on the “Change Adapter Options”.
• After that, a new window will appear and from there, select the network connection that connects your computer to your network – this can either be a Wi-Fi connection or Ethernet connection.
• Right-click on that connection and select Properties where you will see a list of items.
• Select the Internet Protocol Version 4 or Internet Protocol Version 6 from those items according to your system requirement.
• Then click on the Properties button.
• Check if everything is now configured as to how it is supposed to be and then check if the error is resolved.

Option 5 – Try to reset Winsock, TCP/IP & Flush DNS

You might also want to try resetting Winsock, TCP/IP, and flushing DNS might help you resolve errors. 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 6 – Run the Network Adapter Troubleshooter

• Open the Search bar on your computer and type in “troubleshoot” to open the Troubleshoot settings.
• Next, scroll down and select the “Network Adapter” option from the right pane.
• Then click on the Run Troubleshooter” button.
• After that, your computer will check for any possible errors and will pinpoint the root cause of the problem if possible.

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.