Windows has the DISM repair tools (Deployment Image Servicing and Management) and SFC (System File Checker). Both are able to check, repair and reset corrupted or missing Windows system files. Here’s how:
Step 1 : open the command prompt with administrator rights by pressing [Windows] + [R]type “cmd”, then press [Ctrl] + [Maj] + [Entrée] to open the command prompt with administrator rights;
2nd step : then enter the CMD command
sfc/scannow
and press [Entrée] ;
Step 3: then enter the following commands and press [Entrée] after each command:
DISM.exe/Online/Cleanup-image/Scanhealth
DISM.exe/Online/Cleanup-image/Restorehealth
Step 4: restart your computer;
Step 5: if successful, you can install the update or upgrade.
