PS C:\WINDOWS\system32> sfc /scannow
Starting exam in the system. This process will take some time.
Starting the verification phase of the system examination.
100% verification was verified.
Windows Resource Protection found corrupted files, but some could not be repaired.
For online repairs, details are in the CBS log file located at
windir\Logs\CBS\CBS.log. For example, C:\Windows\Logs\CBS\CBS.log. For repairs
offline, the details are in the log file provided by the /OFFLOGFILE flag.
Changes to system file repair will take effect on the next reboot.
EDIT: I am rebooting