My Windows 7 (64-bit), with latest updates, restarts itself every morning at exactly 12:13:15 AM

I have a laptop issue, in that my Windows 7 (64-bit), with latest updates, restarts itself every morning at exactly 12:13:15 AM. This started after uninstalling .NET Framework 4.5, reinstalling 4.0, getting latest updates. Some other applications (Microsoft Lync, TeamViewer) also received updates.

One evening, I stopped all non-system-critical processes and services and the system did NOT restart itself. How can I track down which process/service is causing the restart?

Event Viewer shows only this:
- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
<Provider Name="USER32" />
<EventID Qualifiers="32768">1074</EventID>
<Level>4</Level>
<Task>0</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2014-05-12T05:13:14.000000000Z" />
<EventRecordID>228088</EventRecordID>
<Channel>System</Channel>
<Computer>TULL7SEABRO.*****.com</Computer>
<Security UserID="S-1-5-20" />
</System>
- <EventData>
<Data>C:\Windows\system32\shutdown.exe (TULL7SEABRO)</Data>
<Data>TULL7SEABRO</Data>
<Data>No title for this reason could be found</Data>
<Data>0x800000ff</Data>
<Data>restart</Data>
<Data />
<Data>NT AUTHORITY\NETWORK SERVICE</Data>
<Binary>FF000080000000000000000000000000000000000000000000000000000000000000000000000000</Binary>
</EventData>
</Event>
3 answers Last reply
More about windows bit latest updates restarts morning
  1. Hi,

    restore the computer to a date before the faulty update, then, when offered new update don't do the faulty one.
  2. It's possibly your task scheduler. Check it out and see if you see anything unusual or disable the task scheduler before you go to bed and see if the computer reboots overnight.
  3. I have checked the task scheduler, and there are no tasks there that run at that time. Checked the log of the scheduled tasks as well. As to the restore, I am not sure which update is causing the issue, there were many. Since I know that by stopping all but system critical tasks and services will stop the reboot, I am stopping certain ones each night to remove those from the possible offender list. I will stop the Task Scheduler this evening to make sure it really isn't a scheduled task causing this.

    Does anyone know of any tools to log all task/service performance, possibly to log what occurs at that given time each morning?
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