My machine has started turning itself on again. About 4am we discovered it on again for no apparent reason.
Checked the system logs, and sure enough:
The system has resumed from sleep.
Sleep Time: 2010-08-14T14:08:57.006484500Z
Wake Time: 2010-08-14T18:19:25.974342700Z
Wake Source: Timer - Windows will execute '\Microsoft\Windows\Media
Center\mcupdate_scheduled' scheduled task that requested waking the computer.
Bloody Media Center is trying to update itself again, to no useful purpose.
Checked power settings again, and the "Wake on timers" setting that I'd previously disabled was enabled again!
How many people don't realise their Windows 7 machines turn themselves on in the middle of the night?
Anyway, I found the Scheduled Task that kicks this off. If I start the Task Scheduler and open Task Scheduler (Local)/Task Scheduler Library/Microsoft/Windows/Media Center and look for mcupdate_scheduled, I can see the trigger "At 4:00 AM every day".
I was going to just disable the task, but I saw settings for "Wake the computer to start this task", and "Run task as soon as possible after a scheduled start is missed", and turned both of those off instead. I'll see if that provides a long term solution.
Sunday, August 15, 2010
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