If that doesn't work try running these DISM Tools in an Admin CMD prompt, type in search box CMD right click cmd.exe and select run as administrator. Copy and paste the commands one at a time some will take quite awhile to run is your system has issues
Dism /Online /Cleanup-Image /CheckHealth
Dism /Online /Cleanup-Image /ScanHealth
Dism /Online /Cleanup-Image /RestoreHealth
SFC /scannow
chkdsk C: /f