I have a Windows 8 64bit computer that frequently runs overnight data processing batches. To prevent that work from being interrupted, I set Windows Update to
Download updates but let me choose whether to install them
This morning I found that the computer had rebooted. A brief message flashed up in the system tray stating that Windows had been rebooted to complete an update or something to that affect. However, the notification did not remain in the system tray.
Checking the update history:
Windows Update -> View update history
and sorting by Date installed, the newest update is supposedly 11/16/2012 (today is 1/9/2013). However, if I click on the Installed Updates link on that tab, I end up on
Programs and Features -> Installed Updates
which shows an update on 12/13/12 (inconsistent with the previous dialog).
Is there some class of updates (e.g. critical security issues) that Microsoft forces to be installed, in spite of update preferences? If so, is there any way to prevent an automatic reboot?
Is there a known issue recording updates properly?