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The last few days desktop PC with Windows 10 always wake ups from hibernation at 2:50 am, wake source in Event Viewer is "Unknown".

Updates are configured (in gpedit) to only notify

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"Automatic maintenance" is set to 13:00 and not allowed to wake up.

Wake timers in Power Options disabled.

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In Task Scheduler I do not see any task scheduled for this time + they do not have the wake option enabled.

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What should I do?

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Finally I found what causes this issue. It is Acronis True Image 2016.

Looks like it is a bug because I disabled waking up in backup options but it still wakes my PC to make scheduled backup (it is set to backup every 6 hours). And Acronis wake timer remains even if I disable wake timers in Windows Power Options (as I checked with powercfg -waketimers command)

>powercfg -waketimers
Timer set by [SERVICE] \Device\HarddiskVolume6\Program Files (x86)\Common Files\Acronis\Schedule2\schedul2.exe
 (AcrSch2Svc) expires at 20:50:00 on 09.11.2015

(why do I even continue to use this buggy piece of garbage after 2012-2014 versions?)

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  • so what did you do to prevent this (other than uninstalling the app)? Thanks
    – Matt
    Commented Jan 13, 2016 at 5:22
  • @MattWolf Somehow it fixed itself after several attempts to disable/enable schedule for this backup task.
    – AlexP11223
    Commented Jan 13, 2016 at 5:57
  • thanks for your prompt answer. I am experiencing the same problem but seems unless Ikill the Schedul2 service the waketimer keeps on popping up.
    – Matt
    Commented Jan 13, 2016 at 7:28

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