Open an admin terminal and run:
DISM /Online /Cleanup-Image /CheckHealth This will report whether the image is healthy, repairable, or corrupted. windows 11 check for corrupted files
Next, run the actual repair command:
Now go forth and keep your Windows 11 install pristine. Your future self will thank you. Have a specific corruption error code? Drop it in the comments below, and I’ll help you decode it. Open an admin terminal and run: DISM /Online