With a few different Windows 10 machines, an error was found when installing a cumulative update with the code of 0x80070bc2:
To solve this issue, use the following commands within an elevated command prompt and reboot the computer in question. Attempt to install the update again.
SC config wuauserv start=auto
SC config bits start=auto
SC config cryptsvc start=auto
SC config trustedinstaller start=auto