If a windows 10 update got interrupted, which may cause it to fail repeatedly.
Installation Failure: Windows failed to install the following update with error 0x800F0922: Cumulative Update for Windows 10 for x64-based Systems (KB3105210).
One way to solve the problem is to delete all files under
C:\Windows\SoftwareDistribution\Download\*
Another solution is to make a disk scan to see if there is any system files got corrupted.
sfc /scannow