Use the System File Checker tool to repair missing or corrupted system files - Microsoft Support. Windows 8.1 Windows 8.1 Enterprise Windows 8.1 Pro Windows 8 More... If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files.

Troubleshooter for repairing Windows Update system files and settings - Microsoft Support. This article describes the problem addressed by the troubleshooter, what it does to mitigate them, and the conditions that can cause it to run. For more information about troubleshooting, see Keep your device running smoothly with recommended troubleshooting.

Learn how to use the System File Checker tool (SFC.exe) to scan Windows and restore your files if some Windows functions aren't working or Windows crashes. Follow the steps to run the tool, view the details of the process, and manually replace the corrupted files with a known good copy.

How to check if your device meets Windows 11 system requirements after changing device hardware. Learn how to use the PC Health Check app to help you improve your device performance.

Restore from a system restore point. Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

The System File Checker tool gives an administrator the ability to scan all the protected files to verify their versions. The System File Checker tool also checks and repopulates the cache folder (by default, %SystemRoot%\System32\Dllcache).

System File Checker finds corrupt files after installing KB2821895 - Microsoft Support. Windows 8 Pro Windows 8. Symptoms. If you have installed the update KB2821895, and then run the System File Checker using the command sfc /scannow, the scan reaches 100% complete, and you receive the following error:

Windows 10. Type info in the search box on your taskbar, and then select System Information. View your system info.