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 ...

To run the system file checker, open an elevated Command Prompt (or PowerShell) window as an administrator. Then, type in “sfc /scannow” and wait as the tool does its thing.

With a few glitches already uncovered, a new one that just popped up impacts the built-in file checker tool. The System File Checker (SFC), scans your drive for corrupted system files and attempts ...

The Windows System File Checker tool, commonly known as SFC, has a /scannow argument that will check the integrity of all protected Winodws system files and repair any issues that are found.

3] Use the System File Checker (SFC) The SFC tool can scan and repair corrupted system files. If a system file related to the System Restore process is corrupt, the process will be interrupted.