I recently had problems with an install of a Microsoft update KB3206332 of Windows 10 after the cumulative upgrade last August, on a Toshiba satellite that had been converted from Windows 8.1,
I kept getting repeated errors "0x80070564" after very slow installs ("preparing to install, 1%, then 20%. Also, when booting up, Trend Micro would take a long time to start, prompting warnings.
Geek Squad got it installed, but said it found malware (with Webroot) that Trend Micro had missed. It thought the errors were due to the malware.
Here's the link for True Key. But curiously that site (which displays the Intetl trademark has a gray rating from Trend, but there is another green link on Intel's site here. Bleeping Computer says the original link is OK (answer to question here),