When updates are not working in windows 7 SP1

When updates are not working in win7:
OS: Windows 7 SP1
Arch: x64

Download: https://www.microsoft.com/en-in/download/details.aspx?id=20858

Install it

Now reboot and check for windows update.
It will start working.

Error 80073712 in windows 7
> DISM /Online /Cleanup-Image /CheckHealth
> DISM /Online /Cleanup-Image /ScanHealth
> DISM /Online /Cleanup-Image /RestoreHealth