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VirtualBox displays Black screen

If VirtualBox suddenly displays a black screen without any text or mouse cursor when you are trying to boot a guest operating system, then read on as this post will guide you in fixing such an issue. This black screen occurs when Windows 10 failed to provide a specific setting that VirtualBox requires. Consequently, you will not be able to install or use any guest operating system in VirtualBox even if your PC has virtualization support, the best thing you can do now is to fix this black screen issue.

There are two ways you can fix this black screen in VirtualBox, you can either try to disable Hyber-V or disable 3D Acceleration. For more details, refer to each one of the given options below.

Option 1 – Try to disable Hyper-V

Hyper-V is a built-in virtualization tool available in Windows that helps users in creating a virtual machine as well as install a guest operating system without using any third-party tool like VMware, VirtualBox, and many more. However, the problem with this virtualization tool is that some systems cannot run it and VirtualBox simultaneously which is most likely why the screen abruptly turns into black. Thus, you have to disable Hyper-V to resolve the problem. How? Refer to these steps:

  • In the Start Search, type “Turn Windows features on or off” and then click on it from the results.
  • Once you’ve opened the Windows Features window, remove the checkmark from the Hyper-V box.
  • Click the OK button and then restart your computer.
  • Now try to use VirtualBox again and see if the problem is fixed.

Option 2 – Try to disable 3D Acceleration

The guest operating system will use the host computer’s GPU to render 3D graphics if you enable the 3D Acceleration for the virtual machine. To simply put it, it will enhance the graphics of the virtual machine and will let you use 3D graphics. Although it may seem nice, it can actually cause the black screen to appear as well so you might have to disable it to isolate the problem. In fact, a lot of operating systems have failed to use the 3D Acceleration for the guest operating system because of this black screen issue. To disable it, follow these steps:

  • Open VirtualBox on your computer and select the virtual machine.
  • Next, click on the Settings button and go to the Display section.
  • After that, look for a checkbox named “Enable 3D Acceleration” located on your right-hand side and then uncheck it.
  • Save the changes you’ve made and reboot your PC and see if you can now run the virtual machine without any problem.

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Easy Remove FoxTab From Windows

FoxTab Toolbar is a browser hijacking toolbar add-on for IE, Firefox, Chrome, and Opera browsers that claims that it allows you to access your favorite sites faster, and improving your overall search and browsing experience. 1-click access to search results, most popular websites, and web services directly from our Foxtab browser toolbar.

Fox tab will integrate itself into your browser, modifying the search engine, welcome page, and new tab. This toolbar may change some browser settings, display unwanted ads, and sometimes displays additional ads from its ad sponsor. Some of the settings that this toolbar changes can lower the security of your browser.

Upon installation the toolbar ads scheduled tasks in Windows, allowing it to run with your browser every time, and to automatically update itself. Several anti-virus programs have flagged this software as Malware and therefore it is classified as a browser hijacker and recommended for optional removal.

About Browser Hijackers

Browser hijackers (sometimes called hijackware) are a type of malicious software that modifies internet browser settings without the user’s knowledge or approval. These types of hijacks are rising at an astonishing rate across the world, and they can be actually nefarious and sometimes dangerous too. They are created to interfere with web browser programs for many different reasons. Often, hijackers will force hits to internet sites of their choice either to increase targeted traffic generating higher ad revenue, or to gain a commission for every user visiting there. Although it might appear harmless, these tools are made by malicious people who always try to take full advantage of you, so that hackers can earn money from your naivety and distraction. What’s more, hijackers can make the whole infected system fragile – other destructive malware and viruses will take hold of these opportunities to get into your computer system effortlessly.

How to know whether the browser is hijacked?

Symptoms that your internet browser is hijacked include: 1. your home page has been reset to some unknown webpage 2. bookmark and the new tab are also changed 3. default web engine is changed 4. you see unwanted new toolbars added 5. you’ll notice random pop-ups start showing regularly 6. your web browser starts running sluggishly or exhibits frequent glitches 7. Inability to navigate to particular sites, particularly anti-malware as well as other computer security software webpages.

How it infects your PC

Browser hijackers infect PCs in numerous ways, including via a file-share, a drive-by download, or an infected email. They can also be deployed via the installation of an internet browser toolbar, extension, or add-on. Also, certain shareware and freeware can put the hijacker in your PC through “bundling”. Browser hijackers can record user keystrokes to collect potentially invaluable information that leads to privacy issues, cause instability on systems, drastically disrupt the user experience, and ultimately slow down the PC to a point where it becomes unusable.

Tips on how to get rid of browser hijackers

Certain kinds of browser hijackers can be removed from your computer by deleting malicious applications or any other recently added freeware. Often, it can be a tough task to find and eliminate the malicious component because the associated file might be running as part of the operating system process. Also, manual removals require in-depth system understanding and thus can be a very difficult task for beginner computer users. Professionals always suggest users remove any malicious software including browser hijacker by using an automatic removal tool, which is easier, safer, and quicker than the manual removal process. Safebytes Anti-Malware detects all kinds of hijackers – including FoxTab – and eliminates every trace efficiently and quickly. Employ a pc optimizer along with your antivirus software to solve various computer registry problems, eliminate system vulnerabilities, and boost your computer performance.

Malware Blocking Access To Safebytes Website And Anti-Malware Downloads - What You Should Do?

Malware may cause many different types of damage to computer systems, networks, and data. Some malware is meant to interfere with or prevent things that you wish to do on your PC. It may well not permit you to download anything from the internet or prevent you from accessing some or all of the sites, particularly the anti-malware sites. If you’re reading this, you may have affected by a virus that stops you from downloading a computer security program like Safebytes Anti-Malware. There are a few steps you can take to get around this problem.

Download the software in Safe Mode with Networking

If any virus is set to load automatically when Microsoft Windows starts, getting into Safe Mode could very well block the attempt. Just the minimum required programs and services are loaded when you start your PC in Safe Mode. To start your Windows XP, Vista, or 7 computers in Safe Mode with Networking, please do as instructed below. 1) Tap the F8 key repeatedly as soon as your system boots, but before the large windows logo comes up. This would conjure up the Advanced Boot Options menu. 2) Choose Safe Mode with Networking using arrow keys and hit ENTER. 3) When this mode loads, you will have the internet. Now, get the virus removal software you want by utilizing the internet browser. To install the software, follow the guidelines within the setup wizard. 4) Immediately after installation, do a complete scan and let the program remove the threats it finds.

Download the antivirus program in a different web browser

Some malware mainly targets particular browsers. If this is your situation, employ another web browser as it could circumvent the computer virus. In the event you suspect that your Internet Explorer has been hijacked by malware or otherwise compromised by online hackers, the ideal course of action would be to switch over to a different browser like Chrome, Firefox, or Safari to download your favorite computer security application – Safebytes Anti-Malware. Create a bootable USB anti-virus drive Another option is to make a portable anti-malware program onto your USB flash drive. Try these simple measures to clean up your infected PC using a portable antivirus. 1) Make use of another virus-free computer to download Safebytes Anti-Malware. 2) Insert the pen drive into the clean PC. 3) Double-click the Setup icon of the antivirus software to run the Installation Wizard. 4) When asked, choose the location of the USB drive as the place in which you would like to store the software files. Follow the on-screen instructions to finish the installation. 5) Disconnect the USB drive. You may now utilize this portable anti-virus on the affected computer system. 6) Run the Safebytes Anti-malware directly from the thumb drive by double-clicking the icon. 7) Hit the “Scan Now” button to start the malware scan.

Protect Your PC and Privacy With SafeBytes Anti-Malware

Do you want to install the best anti-malware software for your computer? There are plenty of applications on the market that comes in free and paid versions for Windows computers. Some are very good ones, some are decent, and some are simply just bogus anti-malware software that will damage your PC themselves! You need to be very careful not to pick the wrong product, particularly if you buy a paid application. On the list of recommended software programs is SafeBytes AntiMalware. SafeBytes has a very good reputation for excellent service, and clients seem to be happy with it. SafeBytes anti-malware is a trusted tool that not only protects your computer system permanently but is also quite easy to use for people of all skill levels. After you have installed this application, SafeBytes' superior protection system will make sure that absolutely no viruses or malware can seep through your computer. SafeBytes has great features when compared with other anti-malware programs. Below are some of the great features included in the application. Active Protection: SafeBytes offers real-time active monitoring service and protection against all known viruses and malware. It’ll monitor your computer system for suspicious activity regularly and its unparalleled firewall guards your PC against illegal access by the outside world. World-class AntiMalware Protection: Built on a highly acclaimed anti-virus engine, this malware removal tool is able to detect and remove numerous obstinate malware threats such as browser hijackers, potentially unwanted programs, and ransomware that other common antivirus software will miss. Safe Browsing: SafeBytes checks and provides a unique safety rating to every single site you visit and block access to web pages known to be phishing sites, thus protecting you from identity theft, or known to contain malicious software. Low Memory/CPU Usage: This software is lightweight and will run quietly in the background, and that does not have an effect on your PC efficiency. 24/7 Online Technical Support: SafeBytes provides you with 24/7 technical support, automatic maintenance, and updates for the best user experience. Overall, SafeBytes Anti-Malware is a solid program since it has plenty of features and can detect and remove any potential threats. There is no doubt that your computer will be protected in real-time as soon as you put this software program to use. If you’re looking for the absolute best malware removal tool out there, and if you don’t mind shelling out some money for it, go for SafeBytes Anti-Malware.

Technical Details and Manual Removal (Advanced Users)

If you wish to manually remove FoxTab 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 FoxTab

Registry: HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionRunrandom.exe HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionUninstallFoxTab HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionUninstallFoxTabDisplayIcon %AppData%[RANDOM CHARACTERS][RANDOM CHARACTERS].exe HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionUninstallFoxTabDisplayName Trojan horse name HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionRunOnce[RANDOM CHARACTERS] %AppData%RANDOM CHARACTERS[RANDOM CHARACTERS].exe
[/section][/vc_column_text][/vc_column][/vc_row][/vc_section]
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How to Fix Run Time Error 429

Runtime Error 429 - What is it?

Error 429 is a type of runtime error. It sometimes occurs when you use the new operator or the CreateObject function in Microsoft Visual Basics to create an instance of a Microsoft Office application. The error code is displayed on your computer screen in the following format:

Runtime Error ‘429’: Active X component Can’t Create Object

Solution

Restoro box imageError Causes

The runtime error code 429 is triggered for several reasons. These include:
  • Mistake in the application
  • Incorrect system configuration
  • Missing ActiveX components in the application
  • Damaged Active X and class application components
  • DLL required by the application is damaged
  • Active X object was not registered properly
  • Corrupted applications
  • Corrupted Windows registry
  • Class ID issues
The runtime error code 429 not only causes you inconvenience as it hampers your ability to access programs but delays in repairing this error code can lead to serious PC damages such as system freezes, crashes, and failures.

Further Information and Manual Repair

To resolve the runtime error 429 on your PC, try the following recommended solutions:

1. Re-register the Application Causing the Error

Identify the Office application causing the error and re-register it. For instance, if Office Excel is the prime cause of the error message pop up, simply re-register it. Click on the start menu and then run. Then type this in “: C:/Program Files/Microsoft Office/Office/Excel.exe /regserver” and press OK. This will hopefully resolve the issue.

2. Go to The Microsoft Windows Script Update Page and Download Microsoft Updated Installation File

This will also assist you in repairing runtime error 429. Simply follow the installation wizard and update your MS Office Applications. The corrupted files and missing components in them would be easily corrected by the update file. However, if this doesn’t work, then this means that the cause is more crucial than you think. It is either related to damaged Active X objects or a corrupted Windows registry.

3. Repair the Active X objects and the Registry

To repair both the registry and the Active X objects in one go, it is advisable to download Restoro. This is an advanced, next-generation, highly and multi-functional PC repair tool. It is deployed with powerful and numerous utilities like a registry cleaner, Active X and class scanner, privacy error detector, and system stability module. The registry cleaner embedded in this repair tool enables you to wipe out obsolete, unnecessary, malicious, and invalid files and registry entries saved in the registry. It frees up your disk space, repairs damaged DLL files and the registry thus resolving the runtime error 429 on your system. The Active X object and Class feature identifies and scans Active X issues on your PC and resolves them right away. Besides this, with this error tool, you can also scan for viruses and also improve your PC performance.

Why Total System Care?

Total System Care is a one-stop solution to resolve all kinds of PC-related issues including the runtime error 429. To run it on your system, you don’t have to be a computer programmer. It is very easy to operate. It has easy navigation and a user-friendly interface. There is nothing complex about it. It is safe and efficient. It resolves all PC issues in a few seconds. You can run it in the background while performing other tasks on your system. Furthermore, it is compatible with all Windows versions. Click here to download Total System Care and resolve the Runtime Error 429 on your system today.
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How to Fix Error Code 0xC004C020

Error Code 0xC004C020 (Code 0xC004C020) – What is it?

Error code 0xC004C020 (Code 0xC004C020) is an error that occurs when you attempt to activate a copy of Windows 7 with a key, but the key has already been activated multiple times. When receiving this error code, it means that you are trying to exceed the number of times that the Windows 7 key is allowed to be activated. Common symptoms include:
  • Attempting to install Windows 7 with a key and a dialog box with the code 0xC004C020 is displayed.
  • The computer is unable to install Windows 7 with the key.
  • Certain features will refrain from working until the correct key has been entered.

Solution

Restoro box imageError Causes

Error Code 0xC004C020 occurs when you are not able to install Windows 7 using a previously purchased key code that has been installed numerous times previously on the same computer.
  • You are not able to use your previously used key to install Windows 7.
  • You have used the Windows 7 key the maximum number of times allowed.
Error code 0xC004C020 simply means that the Windows 7 code that you are trying to use to install Windows 7 has already been used the maximum number of times allowed, even when installing it on the same computer that it was previously used on. This would indicate that the key is what is known as a volume key- meaning that there is a cap on the number of uses.

Further Information and Manual Repair

Many people encounter this problem when they are doing software development or testing and need to reinstall Windows 7. Some people might also encounter this error code when installing Windows 7 with a key that was used too many times previously. It should be noted that there are several ways to fix this problem, but if nothing is working, you should contact a computer repair technician.

Method One

Activate by phone- the long method.
  1. Click the start button, right-click Computer, click Properties, and then click Activate Windows.  This will open Windows Activation.
  2. Click on “Show me other ways to activate”.
  3. Find and enter the Windows 7 key, then click Next.
  4. Click on “Use the automated phone system”. If you are prompted for an administrator password or a confirmation, confirm or type the password now.
  5. Select the location nearest to you and then click the Next button.
  6. There will be a list of available phone numbers, choose one and call it. There will be an automated system that will guide the activation process.
  7. Enter the installation ID when prompted, it will be listed on your computer screen.
  8. The phone system will give you a confirmation ID, write this down.
  9. Type this confirmation ID into the space that is provided by step 3. This will be in the activation dialogue. Then, click NEXT and follow the instruction.
  10. If this is not successful, stay on the line and be transferred to a customer service representative that will assist you.

Method Two

Activate by phone- this is a much simpler method.
  1. Click on Start, type: slui.exe 4 into the Search box
  2. Press Enter on the keyboard.
  3. Pick your country.
  4. Choose the Phone Activation option; stay on hold to speak with a customer service representative.

Method Three

Error code 0xC004C020 occurs if you have used your Windows 7 activation key on multiple computers, or multiple times on the same computer. You are not allowed to exceed the uses of the key—you should consider purchasing a new key if this is the case. A Windows 7 key is available for purchase online through the Microsoft website, in the shop section. The new product key must then be activated within 30 days, or it becomes no longer valid. It can be activated online or through the telephone. If it is not activated on time, features will stop working until the new key has been activated. This should be the last resort method, as you should not have to purchase a new Windows 7 key code if it is not necessary. If you wish to always have at your disposal a utility tool to fix these Windows 10 and other related issues when they do arise, download and install a powerful automated tool.
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How to Fix KMODE_EXCEPTION_NOT_HANDLED Error On Windows 10

KMODE_EXCEPTION_NOT_HANDLED – What is it?

Some users installing or upgrading to Windows 10 experienced the theKMODE_EXCEPTION_NOT_HANDLED Blue Screen of Death (or commonly known as BSOD) error. This error can be due to different types of things, ranging from software to driver issues. When you experience this BSOD error while trying to install Windows 10, it will prompt you to restart your computer every single time you experience it. In most cases, you will also not be able to proceed with the Windows 10 set-up.

Solution

Restoro box imageError Causes

The “KMODE_EXCEPTION_NOT_HANDLED” error is normally caused by:

  • Hardware incompatibility
  • A faulty device driver or system service

Further Information and Manual Repair

You won’t be able to successfully upgrade or set up Windows 10 if you continue to encounter this BSOD error. Note that this error will always prompt your computer to restart every time it happens, preventing you from completing the Windows 10 set-up.

If you’re not tech-savvy or not capable of debugging this issue, it’s highly advisable to proceed with the basic troubleshooting techniques available in this link.

After troubleshooting, below you’ll find a few solutions to rectify the issue.

Method 1 – Check The Cause of The BSOD Error

Two common causes of the KMODE_EXCEPTION_NOT_HANDLED issue are hardware incompatibility and faulty device driver or system service.

If you experience this error, check first if any of your newly installed hardware is compatible with Windows 10. You can find the required hardware for Windows 10 from this link

If all your hardware is compatible with Windows 10, you might need to check the device driver or system service. Review the bug check message. If any of the drivers you have is listed in the message, either disable or uninstall them before upgrading or setting up Windows 10.

You might also find it useful to check the System Log available in the Event Viewer for other error messages that can help you figure out the driver or device that’s causing the error. Running hardware diagnostics can also be useful.

Method 2 – Disable (or preferably uninstall) Software Before Upgrading

If you’re upgrading Windows 10 from Windows 7 or Windows 8.1, you might need to disable or uninstall the software first. First, try uninstalling your Antivirus utility before starting the upgrade. Restart a few times before starting the Windows 10 installation. If you’re upgrading using the Windows 10 update, make sure that you disconnect from your Wi-Fi or Internet LAN (Ethernet) connection as soon as the download reaches 100% before attempting to start the set-up. Other users also reported that the cause of the KMODE_EXCEPTION_NOT_HANDLED issue is BitDefender. If this is what happened in your case, it will show in the error message such as KMODE_EXCEPTION_NOT_HANDLED (bdselfpr.sys). Users reported that a common solution for this is renaming the file. In the case of BitDefender, try renaming it to bdselfpr.s__. However, make sure to do this cautiously. Sometimes, renaming a file will even do more damage than good.

Method 3 – Disable/Disconnect From Hardware

If you’re connected to any general USB devices (such a smart card reader), disable it. If your computer is connected to other external devices, disconnect all of them. Examples of this include gaming controllers, printers, external hard disk, USB keys, and other non-essential devices).

Method 4 – Other Troubleshooting Steps

Other troubleshooting steps include:

  • Upgrade using an .ISO file, instead of directly upgrading from Windows Update. When you do this, make sure you’re disconnected from the Internet during installation. If the process started and you forgot to disconnected, it’s best to restart the installation.
  • If you’re connected to a domain while trying to set up Windows 10, disconnect and use a local account.
  • If you’re using a SCSI hard disk, connect a thumb drive with the drivers for your storage device. While Windows 10 is setting up, click on the Custom Advanced Option. Using the thumb drive, use the Load Driver command to load the SCSI drive.
  • Another possible cause of this error is due to BIOS incompatibility. BIOS issues can be solved by upgrading your version of your system BIOS. If you don’t know how to do this, refer to your BIOS manufacturer’s website.

Method 5 – Use A Trusted Automated Tool

If you still experience the error after doing the methods above, you might want to try a powerful and trusted automated tool to fix the job.

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Fix BAD_SYSTEM_CONFIG_INFO error in Windows
If you encounter the BAD_SYSTEM_CONFIG_INFO Blue Screen error in your Windows 10 PC, then read on as this post will guide you in fixing this issue. Usually, this kind of Blue Screen error is caused by some issues with the Boot Configuration Data file. The main issue inside of the Boot Configuration Data file is that either some boot order files or older files might be in conflict with the newer ones or the stable ones and thus triggering the BAD SYSTEM CONFIG INFO Blue Screen error. This kind of Stop error also indicates that there is an error in the Windows Registry which is why you need to update potential culprit drivers as well as edit some entries in the Registry if need be. But before you get started, make sure that you create a System Restore Point first. After creating a System Restore Point, try to boot your computer into Safe Mode and then restart your computer normally. However, if it doesn’t work, proceed to the given options below.

Option 1 – Run System Restore

Performing System Restore might help you in fixing the BAD SYSTEM CONFIG INFO Blue Screen error. You can do this option either by booting into Safe Mode or in System Restore. If you are already in the Advanced Startup Options, just directly select System Restore and proceed with the next steps. And if you have just booted your PC into Safe Mode, refer to the steps below.
  • 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.

Option 2 – 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 – Try fixing the Windows Registry files

In order to fix the Windows Registry files, you need to make a bootable Windows 10 USB drive and then boot your PC using it. To do so, refer to the steps below.
  • Once you see the Welcome Screen, click on Next.
  • Then click on the “Repair your computer” option located on the bottom-left section of the window.
  • Next, click on Troubleshoot > Advanced Options > Command Prompt.
  • After opening Command Prompt, execute each one of the commands listed below in the sequence that they are given:
    • CD C:WindowsSystem32config
    • ren C:WindowsSystem32configDEFAULT DEFAULT.old
    • ren C:WindowsSystem32configSAM SAM.old
    • ren C:WindowsSystem32configSECURITY SECURITY.old
    • ren C:WindowsSystem32configSOFTWARE SOFTWARE.old
    • ren C:WindowsSystem32configSYSTEM SYSTEM.old
  • After executing the commands given above, type in the next ones below and make sure to execute them in the given sequence below.
    • copy C:WindowsSystem32configRegBackDEFAULT C:WindowsSystem32config
    • copy C:WindowsSystem32configRegBackSAM C:WindowsSystem32config
    • copy C:WindowsSystem32configRegBackSECURITY C:WindowsSystem32config
    • copy C:WindowsSystem32configRegBackSYSTEM C:WindowsSystem32config
    • copy C:WindowsSystem32configRegBackSOFTWARE C:WindowsSystem32config
  • Now type “exit” to close Command Prompt.
  • Restart your PC for the changes to take effect.

Option 4 – Run a Memory Check to test RAM

On the other hand, you can also fix the BAD SYSTEM CONFIG INFO Blue Screen error by running a Memory Check using the Windows Memory Diagnostic. Refer to these steps to do so.
  • Tap the Win + R keys to open the Run dialog box.
  • Then type “mdsched.exe” in the field and hit Enter to open the Windows Memory Diagnostic.
  • After that, the Windows Memory Diagnostic will give out two options such as:
  1. Restart now and check for problems (recommended)
  2. Check for problems the next time I start my computer
  • Select any of the given options. After that, your computer will restart and check for memory-based issues upon the restart. If there are any issues, it will automatically them.

Option 5 – Rebuild BCD files and repair MBR files

Like what you did on the third option above, you also have to make a bootable Windows 10 USB drive for this option and then boot your Windows 10 PC using it.
  • Once you get to the Welcome Screen part, click on Next.
  • Afterward, click on the Repair your computer option located on the bottom-left part of the window.
  • 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 /repairbcd
    • bootrec /osscan
    • bootrec /repairmbr
  • Now type “exit” to close Command Prompt and then restart your computer to successfully apply the changes made.
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How to fix 502 Bad Gateway error in Windows
Browsing the internet doesn’t always go smoothly, you might encounter ads, pop-ups, viruses, malware, and even errors. In this post, we’ll walk you through how you can fix the 502 Bad Gateway error that you might encounter in browsing the internet. This kind of error suggests the server which is the one that’s acting as a gateway to facilitate in taking your request to the server and bring some response back has received an invalid response or even no response at all. It could be that the connection is broken or that there is an issue on the server-side that returns an invalid response. Even though the 502 Bad Gateway error is a server-related error, there are still a few things you can try that might help resolve it, if tapping the Ctrl + F5 keys does not resolve the problem. Keep in mind that it doesn’t matter what website you open as this error can appear on any website. To resolve the problem, you need to follow the options prepared below.

Option 1 – Check the network cable connections and restart your router

As with other connection problems, this is the most basic thing to do before you try other troubleshooting options because the root cause of the problem might be as simple as a cable not connected properly or a router that just needs to be restarted. Thus, checking the network cable connection to see if there is anything out of order can help as well as restarting your router.

Option 2 – Reset Winsock, TCP/IP & Flush DNS

Resetting Winsock, TCP/IP, and flushing DNS might help you resolve the issue. 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 3 – Change the DNS

Changing the DNS server for your network can also help you fix the 502 Bad Gateway error. You can use a public DNS like the Google Public DNS, Open DNS, Yandex DNS, Comodo Secure DNS, and many more. All you have to do is to override the default DNS settings on your PC so that you can specify which DNS server is used as well as which IP address should be used for a specific domain.

Option 4 – Try updating the Network Adapter Driver

Follow the steps below to update your Network Adapter Driver:
  • Tap the Win + R keys to launch the Run window and then type in the “devmgmt.msc” command and hit Enter to open the Device Manager window.
  • From there, expand the list of all the network drives and update each one of them.
Note: If updating the network drivers didn’t help in fixing the problem, you can also try to uninstall the very same drivers and restart your Windows 10 PC. After that, the system itself will reinstall the drivers you just uninstalled. Alternatively, you can also download and install the drivers from the manufacturer’s website directly.

Option 5 – Try a Network Reset

When all else fails, you might have to consider resetting your entire network settings. Simply follow the steps below to do so.
  • Click on the Start button and then click on the gear-like icon for Settings to open it.
  • Next, select Network and Internet.
  • Then scroll down and look for “Network Reset” – click on it and then click on the Reset now button.
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Turn off or on Mobile Hotspot remotely
In case you don’t know, new support has been added by Microsoft to Windows 10 that now allows users to turn off or on the Mobile Hotspot remotely. The Mobile Hotspot feature, known earlier as “Virtual Networks”, was first introduced with the initial release of Windows 10. With this new feature to remotely turn on or off the Mobile Hotspot in Windows 10, users can just use the Bluetooth on their mobile phones to turn off or on the Mobile Hotspot even when their Windows 10 computers are out of their reach. To turn off or on the Mobile Hotspot feature in your Windows 10 computer remotely, there are two options you can try. First, you can do it using the Windows 10 settings app or using the Registry Editor. To get started, refer to the following options.

Option 1 – Turn off or on the Mobile Hotspot remotely via Windows 10 Settings app

  • First, you need to open the Windows 10 Settings app and from there go to Network & Internet and then go to the Mobile Hotspot section.
  • After that, scroll down to the “Turn on remotely” section.
  • Once done, make sure that the toggle button is set to ON and that the Bluetooth of both devices is turned on and paired as well. This should enable the feature to turn on or off the mobile hotspot remotely.

Option 2 – Turn off or on the Mobile Hotspot remotely via Registry Editor

Before you get started with the second option, make sure that you create a System Restore point first. Once done, proceed to the following steps:
  • Tap the Win + R keys to open the Run dialog box and type “Regedit” in the field and then hit Enter to open the Registry Editor.
  • Next, navigate to this registry path: ComputerHKEY_LOCAL_MACHINESOFTWAREMicrosoftWcmSvcTethering
  • From there, look for the DWORD named “RemoteStartupDisabled” and set its Value data to be “0”. This will enable the feature that will allow you to remotely turn on or off the mobile hotspot in your Windows 10 computer. To disable it, just set its Value data to “1”.
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USB Security key is not working on Windows
As you know, the USB security keys are a secure medium to validate a lot of components in a computer. They can be used to log in to Windows 10. Now with the advancement of APIs, you can authenticate across the website as well using the same key. However, there are times when it may not work and it could be caused by several factors. It could be due to corrupted or incompatible drivers or it could also be due to compromised integrity of the key, and many more. So if you happen to encounter an issue with the USB security key on your Windows 10 computer, then there are several potential fixes you can try. You can try toggling the Internet Options settings or reinstall the respective USB drivers. You could also try changing the PIN of the security key or disable the antivirus program on your computer or troubleshoot the web browser. Refer to the potential fixes provided below to fix the problem.

Option 1 – Try to toggle the settings of the Internet Options

  • In the Windows Search box, search for Internet Options to open it.
  • Next, go to the Security tab and drag the security slider to the lowest possible security for all the given zones.
  • After that, click on OK to save the changes made and close the Internet Options.
Note that this option is only a temporary measure as it can make your computer vulnerable. Make sure to press the Reset all zones to default level button.

Option 2 – Try to update or reinstall the respective drivers

If updating the drivers of the device did not fix the problem with the USB security key, you can try to update or reinstall the Universal Serial Bus Controller drivers instead of using the Device Manager. Refer to the following steps:
  • First, click the Start button and type “device manager”.
  • Then click on the “Device Manager” from the search results to open it.
  • From there, look for the “Universal Serial Bus controllers” option and then right-click on each one of the USB drivers and select the Update Driver from the menu.
Note: If it is a regular USB drive, then it will be listed as a USB Mass Storage Device but if you have a USB 3.0 device, then look for a USB 3.0 Extensible Host Controller.
  • Restart your PC and then click the “Search automatically for updated driver software” option.
Note: If updating the USB Controller drivers didn’t work, you can try to reinstall them instead.

Option 3 – Try to change the PIN of the security key

If the first two options didn’t work, you can try changing the PIN of the security key. There are instances when the PIN for the security key might have been corrupted. Thus, resetting it can help you resolve the problem.

Option 4 – Temporarily disable Firewall and third-party antivirus

Firewall and antivirus programs are known to block the proper functioning of the USB security key. Thus, your antivirus or firewall programs might be the reason why you can’t download anything on your Windows 10 computer. To isolate the issue, you need to temporarily disable both the Firewall and antivirus programs and then check if you can now download anything from the internet. Do not forget to enable them again as disabling them can leave your computer vulnerable to cyber threats.

Option 5 – Try to troubleshoot the web browser

Troubleshooting your web browser can also help you fix the USB security key problem. You can do that by checking if your web browser supports the security key and you can do that by checking on the official website of your browser. You can also try to update your web browser to its latest version but if it didn’t help, you can try to reinstall it or switch to another web browser.
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How to fix windows 10 error code 0x80073712
Windows 10 has displayed one of the most efficient and user-friendly interfaces. However there have been many issues on the backend of this commonly praised operating system: For example, Windows Update is still a wonky and error-laded system application. One example of this error is Windows Update Error 0x80073712 which stands in the way of users just wanting to keep their PCs updated hassle-free. The error code 0x80073712 signifies that a file needed by Windows Update to function is either damaged, missing, or corrupted. However, this does not mean that your Windows version will forever stay as-is with no mode to update it. Windows Update Error 0x80073712 is perfectly fixable with the set of provided steps below and some of Windows’ built-in troubleshooting steps:

Solution 1: Open Windows Update Troubleshooter

  1. Open the Windows Update Troubleshooter by pressing the Windows and S keys simultaneously.
  2. Enter the word “Troubleshoot” in the search box and select the Troubleshoot result
  3. On the new window, select “Windows Update” to troubleshoot.
  4. Run the troubleshooter, then open Windows Update and try to install the update again.

Solution 2: Run the DISM tool

  1. Open the command prompt by pressing Windows and S keys simultaneously
  2. Enter “cmd” in the search box. Right Click command prompt among the results and select “Run as administrator”
  3. In the Command Prompt window type the following and press the Enter key after every command
DISM.exe /Online /Cleanup-image /Scanhealth DISM.exe /Online /Cleanup-image /Restorehealth
  1. To close the Administrator: Command prompt window, type Exit, and then press Enter.
  2. Run Windows Update again.

Solution 3: Rename the Software Distribution folder

  1. Open the command prompt as previously mentioned
  2. Input the following command pressing Enter after every line net stop wuauserv net stop cryptSvc net stop bits net stop msiserver rename c:/windows/SoftwareDistribution/softwaredistribution.old net start wuauserv net start cryptSvc net start bits net start msiserver exit
  3. Restart the PC and run the updater if it works again.

Solution 4: Restart Windows Update Services

  1. Press the Windows logo key and R together to open Run -> Input services.msc -> and press Enter
  2. Search for the Windows Update service -> Check its status
  3. If it is not indicated, right-click on the service and select Start to force start your Windows Update
  4. If you see an error, locate the Startup Type option and set it to Automatic
  5. Now you should reboot your computer and see if your Windows Update is OK

Solution 5: Fix Registry Issues

If after all the aforementioned solutions, you still experience problems with Windows Update, the problem may lie in the registry that is either damaged or corrupted. You may choose to do manual editing of your Windows registry by opening your Windows registry editor. But doing so is risky as one wrong letter may do incalculable damage to your system. To do so safely for more inexperienced users we recommend using a third-party registry cleaner/tools, many of which can be found online.
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Disk Cleanup is stuck on Update Cleanup
There is a built-in tool in Windows 10 the Disk Cleanup Utility which can help you restore hard disk space by removing temporary files, Thumbnails, old Windows files, Windows Upgrade logs, Delivery optimization files, and many more. However, from time to time, this built-in tool also experiences some issues. One of these issues is when it gets stuck on Windows Update Cleanup. Read on to find out what you can do in such a case. When the Disk Cleanup Utility is stuck on the Windows Update Cleanup, the process could be slow and take a long time to complete when purging the files. If this happens, click on Cancel to close the dialog box. After that, try running the Disk Cleanup Tool again as administrator and check if the files that you want to clean is still there or not. If it isn’t there, then this means that the cleanup has been done, otherwise, you need to refer to the options given below.

Option 1 – Try to manually delete the contents in the SoftwareDistribution folder

  • 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.
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.

Option 2 – Try to manually delete the contents of the Windows.old folder

The Windows.old folder is the one that holds the older version of Windows when you upgrade. It comes really useful when you want to revert to the previous version of Windows 10. Thus, you can delete the Windows.old files in case the cleanup tool is stuck.

Option 3 – Try running Disk Cleanup in a Clean Boot State or Safe Mode

Another thing you can try is to restart your computer in a Clean Boot State or Safe Mode. Chances are, there are some programs that are preventing the Disk Cleanup Utility tool to run properly. After you restart your computer in a Clean Boot State or Safe Mode, try to run the Disk Cleanup tool again and then see if it now works or not.

Option 4 – Run the Windows Update Troubleshooter

You might also want to run the Windows Update Troubleshooter as it could also help in fixing this issue. 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 5 – Run the DISM tool to fix the corruption in the Component Store

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.
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