You Can Read More About windows SFC utility from Here. If found any the SFC utility will restore them itself from a cache folder stored on the windows installation drive.This will start scanning windows for corrupted, missing system files.To run system file checker utility run command sfc /scannow.Once the scanning process completes 100% run system file checker utility that restores missing system files with the correct one.The DISM ( Deployment Image & Servicing Management) tool helps fix Windows corruption caused errors.Now on Command prompt type Dism /Online /Cleanup-Image /RestoreHealth and hit enter key to execute the command.