- Open an elevated command prompt.
- From Start, swipe in from the right and select Search, and type command prompt (or just start typing if you are using a keyboard).
- When Command Prompt appears in the search results, tap-and-hold or right-click it, and select Run as Administrator
- Type dism /online /cleanup-image /restorehealth, hit Enter, and wait for this command to complete.
- Run the sfc /scannow command again until the command completes and reports that there is no corruption.