Windows Update Error 0x80073712

Run the DISM tool

tap Search.

Enter command prompt in the search box.

In the list of results, swipe down on or right-click Command Prompt, and then tap or click Run as administrator.

In the Administrator: Command Prompt window, type the following commands. Press the Enter key after each command:

DISM.exe /Online /Cleanup-image /Scanhealth
DISM.exe /Online /Cleanup-image /Restorehealth

To close the Administrator: Command prompt window, type Exit, and then press Enter.

Run Windows Update again.