When I'm done working with my computer, I usually put it in a sleep mode. But recently (probably after some windows update), in the morning my computer was always on. Reason First I checked Event Viewer and found following record: The system has returned from a low power state. Sleep Time: ‎2015‎-‎07‎-‎29T20:54:24.378170500Z Wake Time: ‎2015‎-‎07‎-‎30T02:18:17.109989000Z Wake Source: Timer - Windows will execute 'NT TASK\Microsoft\Windows\TaskScheduler\Regular Maintenance' scheduled ta...