There are times when we delete a system files without meaning to on your Windows 10 computer. This happens a lot for users sometimes mistake a system file for a malware-laden file or junk file when it’s actually a system file from the System32 or SysWOW64 folder. In such cases, it could affect your computer. For instance, you might not be able to reboot your PC or open Settings.
If you have removed system files from any of these folders by accident and you desperately want to restore them, read on, as this post will guide you in resolving the problem. Restoring them isn’t actually hard, just make sure that you have system admin access.
The good thing is that there exists Windows Resource Protection which protects registry keys and folders and even critical system files. So if there are any detected changes to a protected system file, the modified file is restored from a cached copy located in the Windows folder. However, if the Windows Resource Protection program fails to restore these files, you need to check out the given fixes below.
To restore the system files you deleted, you can try running System File Checker or SFC scan. System File Checker is a command utility built into your computer that helps restore corrupted files and missing files. Refer to the following steps to run it:
The command will start a system scan which will take a few while before it finishes. Once it’s done, you could get the following results:
Aside from System File Checker, you can also run the DISM or Deployment Imaging and Servicing Management Tool as it could help in restoring the system files on your Windows 10 computer. Using this built-in tool, you have various options such as the “/ScanHealth”, “/CheckHealth”, and “/RestoreHealth” which could help you resolve the problem.
Running System Restore can also help you bring back the system files. 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.
Startup Repair, previously known as Automatic Repair, is an advanced tool in Windows that can help you diagnose various system issues, including this one. This tool will scan system files, configuration settings, registry settings, and so on in order to fix the problem on its own. To run Startup Repair, all you have to do is boot into the Advanced Startup Options and then go to Troubleshoot > Advanced option > Startup Repair and then run it. This will resolve the problem if you have deleted any system file that’s essential to your Windows 10 PC.
Note: Once you have access to the Advanced Startup options, you have to go to the setting which allows you to Reset your Windows 10 PC. All you have to do is select Troubleshoot > Reset this PC to reach the following screen
Afterward, select either the “Keep my files” option and then proceed to the next on-screen instructions that follow to reset your Windows 10 computer without losing your files.

Further Information and Manual Repair
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.“Your PC ran into a problem that it couldn’t handle, and now it needs to restart. If you’d like to know more, you can search online later for this error: DRIVER_VERIFIER_DMA_VIOLATION”There are several ways you can fix this error. You can try to disable the Driver Verifier or run the Hardware troubleshooter. You could also try to update, roll back or uninstall the drivers on your computer. For more details, refer to each one of the options provided below.
Microsoft starting as of today will block its Office 365 users if they are using Internet Explorer or early versions of Edge browsers.
So if you are using older non Chromium Edge versions of Microsoft browsers you can no longer access Office services until you switch. Now normally I would fully support this kind of decision since Internet explorer is a slow and vulnerable browser and the edge is similar in that regard.
The new edge browser is great and it should be used but the issue I have is that Office 365 is not free, it is a premium feature and I am wondering how Microsoft plans to deal with people that have already paid for service but suddenly cannot access it anymore. "ERROR_FULLSCREEN_MODE" and/or as the hexadecimal value 0x3EF.”
Error Causes
Error CausesGameGuard Execute Error: 115 ‘There are multiple events of game execution or GameGuard is already running. Close the game then try again.’
Error Causes