Steps To Scan and Fix Corrupted Windows Files:
Step 1. First of all, press windows button and then type Powershell, and now it will display the Windows Powershell option, right-click on it and select Run as Administrator.
Step 2. Now in PowerShell, enter the below command to scan all the corrupted files in your OS.
sfc /scannow
Step 3. Now you need to fix the files and for that, you need to enter the below command in Powershell.
Dism /Online /Cleanup-Image /RestoreHealth
Step 4. Now windows will start fixing the files, and you should be patient in this process as it will take quite a time to complete.
Step 5. Now you need the actual ISO file to get the file recovered, and for that you need to download the Windows ISO file of your particular version.
Step 6. Now when the file is downloaded simply right-click on it and choose the option mount.
Step 7. Now came back to power shell and enter the below command.
Dism /Online /Cleanup-Image /RestoreHealth /Source:wim:X:\sources\install.wim:1
Note: Replace the letter “X” with the actual drive letter of your Windows installation media.
Step 8. Now simply execute the below command in PowerShell sfc /scannow
That’s it! you are done, now you will see the message there that the windows file has been recovered successfully.