Yesterday, I was told of a great tip regarding Windows updates. I have had trouble many a time when Windows inadvertently rebooted while I left something to run overnight.

Step-by-Step: Windows Update – Disabling Auto-Restart for Automatic Updates

Here is a quick summary just in case the link goes away:

Open the group policy editor: Start > Run, gpedit.msc

Computer Configuration –> Administrative Templates –> Windows Components –> Windows Update

Enable the setting: No auto-restart for scheduled Automatic Updates installations