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.

Figure 3. This is how you run the DISM tool. When the DISM tool finishes checking your system, you can run the System File Checker. To do so, just enter this command: SFC /ScanNow ...

Fortunately, Windows includes a few handy tools like the System File Checker (SFC) and Deployment Image Servicing and Management (DISM) that can help you find and repair damaged system files.

Over time, any Windows 11 computer will experience system corruption and eventually failure. Regular maintenance will repair system files and prevent future problems.