Unexpected Restart - Window 7

I have a client who had an unexpected reboot of thier computer. I did some searching around the net for awhile and could not find a clear solution. This is the error:

The process Explorer.EXE has initiated the restart of computer PC01304 on behalf of user DOMAIN\USERNAME for the following reason: Other (Unplanned)
Reason Code: 0x0

The process C:\Windows\system32\winlogon.exe (PCNAME) has initiated the restart of computer PCNAME on behalf of user DOMAIN\USERNAMEfor the following reason: No title for this reason could be found

There were Windows Updates that went out to all our computers a couple weeks ago, and the Friday before this there were mandatory updates. The infrastructure guys say it would not force a reboot, but from searching on the net two other people with the same issue reported doing windows updates before this happened.

No one else in the company has reported this happeneing to them and they all recieved the same updates, all have the same computer, and have the same image on thier computer. The update went out to 400 machines in the local office. Only user who has reported this, so might not be related to Windows Updates whatsoever.

Any ideas would help.
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JohnBusiness Consultant (Owner)Commented:
That is Windows Explorer (which I am sure you knew). That is fundamental to Windows and is only on one PC  I have my own Windows 7 machines fully up to date and no issue.

So I suggest:

1. Run System File Checker:  Open cmd.exe with Run as Administrator. Run SFC /SCANNOW at the prompt. Allow to complete and restart. If it said it had errors it did not correct, run it again.

2. Restore to a Prior Point and leave it like that for a bit. Error does / does not recur?

3. Make sure you are using a good AntiVirus. Some of the free ones cause more problems than they correct.

.... Thinkpads_User

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this sounds like something we used to do to our bosses for a little giggle.  go to your command prompt (start>run, CMD).

type AT and press enter
if you see a command with the program shutdown.exe in the application path, type at /delete <the number assigned to it>

It could also be malware.
You might want to try running malwarebytes (www.malwarebytes.org) or your favorite malware killer.
It may also be a conflict between Windows Defender and your Anti-virus program if you have both active.  You can disable Windows Defender by going to tools -> options -> Administrator and removing the check mark next to "use this program" and click save.  (it will disable the services and the ui)

Good luck!
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JohnBusiness Consultant (Owner)Commented:
The better and very good AntiViruses disable Windows Defender. It has been pretty much abandoned by Microsoft. So yes, do disable it if it is active. .... Thinkpads_User
shawnpatersonAuthor Commented:
Thanks, I'll try these suggestions.

We are using Trend Micro as a corporate solution currently.
JohnBusiness Consultant (Owner)Commented:
Thank you. I was pleased to help and good luck going forward. .... Thinkpads_User
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