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Is there a way to stop Task Scheduler on startup?

I ask because I have made mistake while creating task, and now my computer shuts down after 1 min. That's not enough time to open the Task Scheduler and turn it off.

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As a point of interest you used to be able to hold Shift on startup to solve this, but it's removed in 7. – RJFalconer Jun 3 '14 at 16:17
up vote 0 down vote accepted

Have your tried starting the computer in safe mode, I don't think the task manager is active in that mode.

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Ok, the safe mode didn't work, because it doesn't allow to use Task Scheduler (you can't see the tasks nor edit them) ... but luckily I set the option to run this task only on mine account (didn't have any other and the guest was turned off) but I could add new account with admins rights in the safe mode and it was a smooth ride from there :) Anyway thx for the tip about the safe mode, although I knew of it, it didn't flash my mind to use it :) – qmmr Oct 15 '10 at 19:28

If it's the scheduled task that's running a shutdown command, then you can try stopping it from the command line:

shutdown -a

This will abort any currently running shutdown operation.

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shutdown -a can only be used during the shutdown period, which afaik is not there if the shutdown is invoked as a task? – stijn Oct 15 '10 at 11:23
  • Start the computer in Safe Mode.
  • Check these locations for your task:


  • Once you've identified it either delete it, or copy it someplace else.
  • Reboot Windows into Normal Mode.
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You can boot into safe Mode. Once there use regedit to delete the offending task. It should be in HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\***yourtaskname***

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Your answer is obsolete - user @CGA already suggested that. – Davidenko Oct 30 '15 at 12:25

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