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Apr. 17th, 2014 12:03 pmYesterday morning's discovery is that the reason my PC has been occasionally turning itself on in the morning is because there's a scheduled task. Annoyingly the default appears to be to not log when scheduled tasks are run, and that combined with Windows 7 having rather a lot of them made it a little tricky to track down (it didn't help that the entry in the event log merely said "Wake Source: Unknown").
That said turning on logging is easy enough when you find the option: fire up the Task Scheduler, right-click on the Task Scheduler Library, and pick Enable All Tasks History.
Anyway, the culprit is the mcupdate_scheduled task, buried away in the Task Scheduler Library under Microsoft → Windows → Media Center. It seems to automatically reschedule itself every so often, and has the "Wake the computer to run this task" option ticked. So if it decides to next run at, say, 3:59am on Wednesdays it'll happily fire the computer up in the wee hours of the morning. Fortunately there's a nice easy fix: open the Properties, and on the Conditions tab untick the "Wake the computer to run this task" option.
That said turning on logging is easy enough when you find the option: fire up the Task Scheduler, right-click on the Task Scheduler Library, and pick Enable All Tasks History.
Anyway, the culprit is the mcupdate_scheduled task, buried away in the Task Scheduler Library under Microsoft → Windows → Media Center. It seems to automatically reschedule itself every so often, and has the "Wake the computer to run this task" option ticked. So if it decides to next run at, say, 3:59am on Wednesdays it'll happily fire the computer up in the wee hours of the morning. Fortunately there's a nice easy fix: open the Properties, and on the Conditions tab untick the "Wake the computer to run this task" option.
