Scans the hard drive for file system errors and physical bad sectors. 1. Repairing System Files (SFC & DISM)
An active internet connection is required for the best results. how to check for corrupted files windows 11
If SFC fails to fix the files, it is usually because the "source" image (the backup files SFC uses for repairs) is itself corrupted. The Deployment Image Servicing and Management (DISM) tool connects to Windows Update servers to download fresh copies of healthy files. Open as an Administrator . Scans the hard drive for file system errors