It's worth noting that even though the System File Checker is designed to be a standalone tool, Microsoft recommends that you first run the Deployment Image Servicing and Management (DISM) tool if ...

Using this System File Checker (SFC) command you can replace, restore or repair a single file which may be potentially damaged or corrupted on Windows 11/10.

Learn how to Run sfc /scannow on External Drives to repair Windows. You can run System File Checker offline, if you are unable to boot into your computer.

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.