How to Use the Microsoft System File Checker (SFC)

The Microsoft System File Checker tool is helpful if some Windows functions aren't working or Windows crashes.

 Note: Using "sfc / scannow" takes several minutes to complete.

If the SFC files corrupted files, it will report if it was able to fix them:

For more information, see: https://support.microsoft.com/en-us/topic/use-the-system-file-checker-tool-to-repair-missing-or-corrupted-system-files-79aa86cb-ca52-166a-92a3-966e85d4094e