I have tried restoring. I have downloaded the Microsoft FIX IT several times, and it said it repaired some things, but nothing changed with updates and the reoccurring message "We couldn't complete the updates. Undoing changes. Don't turn off your computer." I checked update history and most of the 23 updates were marked successful. The following said failed:
KB2267602 (Definition 1.201.2157.0)
KB2267602 (Definition 1.201.2159.0)
KB3063843
KB3035583
KB890830 (I'm worried about this one. It was Windows Malicious Software Removal Tool for Windows 8, 8.1 and windows server 2012)