Run CMD as administrator and enter the following two commands
DISM /Online /Cleanup-Image /RestoreHealth
sfc /scannow
After command executed complete.
Right click on Windows Start > Windows Powershell (Admin)
Type following (or copy and paste following) one by one and Enter
net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
Ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
Ren C:\Windows\System32\catroot2 Catroot2.old
net start wuauserv
net start cryptSvc
net start bits
net start msiserver
Clean boot computer to check result.
https://support.microsoft.com/en-us/topic/how-to-perform-a-clean-boot-in-windows-da2f9573-6eec-00ad-2f8a-a97a1807f3dd
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