In Figure 4, for example, I ran the System File Checker and received a message indicating that it discovered some corrupt files and that it was able to repair them.

How to run sfc /scannow command? System File Checker or sfc.exe scans for, restores corrupt Windows system files protected by Windows File Protection (WFP).

The System File Checker (sfc.exe) is a command-line tool built into Windows that helps you repair corrupted system files. If you can't boot your PC, the Winhelponline blog explains how to use it ...

Now that we have updated and potentially repaired our backup Windows 11 system files, we can scan for errors and apply repairs using the System File Checker.

The Windows system file checker is such an effective general fix-all that I believe every Windows user should know about it. Its function is simple.