Thanks. Now, please run these commands.
cd /d "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Config"
ren machine.config machine.config.old
ren web.config web.config.old
copy machine.config.default machine.config
copy web.config.default web.config
cd /d "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\CONFIG"
ren machine.config machine.config.old
ren web.config web.config.old
copy machine.config.default machine.config
copy web.config.default web.config
Download CBSDiag.bat from the GitHub page below:
https://gist.github.com/winhelponline/819c9abe3...
Right-click cbsdiag.bat, click Properties, select Unblock, and click OK.
Right-click cbsdiag.bat, and choose "Run as administrator".
(The batch file contains plain text code. You can read its contents using Notepad before running it. It collects the CBS registry key and servicing-related information to fix the corruption.)
The batch file creates a file named CBSDiag.zip on your desktop. Share the file on OneDrive.
Standard Disclaimer: There is a link to a non-Microsoft website. The page appears to provide accurate, safe information.