System File Checker tool
sfc /scannow
Deployment Image Servicing and Management tool
DISM /Online /Cleanup-Image /RestoreHealth
https://answers.microsoft.com/en-us/windows/forum/windows_10-update/system-file-check-sfc-scan-and-repair-system-files/bc609315-da1f-4775-812c-695b60477a93