help my pc reboots every day with no warning

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tonij1960

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Joined
Jun 27, 2008
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102
I have no idea if its a malware or what. It does it once a day,yesterday it was about 3:30 pm today it was 11:30 am its done it at 9 pm and I have windows update service disabled on the msconfig startup.

Please walk me through how to go about this. Should I post a hijack this log, a log from the event viewer (please give details on how to do this) .

Im at a loss on this typpe of issue but I need help so anyone interested please take some time to chip in and get me started.

Thanks everyone.
 
Joined
Jun 11, 2007
Messages
377
This may stop restart.
Start - Control Panel - Open System Icon - Advance System Settings (at the left top corner) - Advance Tab (at the top) - Startup and Recovery Block click Settings -
Remove the check mark for - Automatically Restart- OK If needed Click Apply - OK
If now your computer restarts and you get a blue screen write the error number down
and go to Microsoft Knowledge Base and do a search for information for the cause of
your problem.
http://support.microsoft.com/search/?adv=1

Create a Windows 7 Repair Disc
Start - Control Panel - Backup and Restore - at the left top corner -
Create a System Repair Disc - It may say DVD but a CD works OK

Computer Repair
Put System Repair Disc into CD - DVD Tray
Restart your computer - Be ready to press any key when asked.
If you don’t press any key in time, windows starts normal.
Windows is now loading files.
Title of new screen is - System Recovery Options
If selection is correct click - Next - Next - Startup Repair
If it finds something wrong it may repair at the beginning.

hijackthis can be downloaded here.
http://www.download.com/HijackThis/3000-8022_4-10379544.html
When using click - Scan and create a log. Notice were the Log is saved.
It may go to your Documents of your Desktop.
You open - Select All - Click Copy. You paste this log in the Forum for help.
They are busy so may take a while. For this Forum look to the left top of this page.
Security and HJT
hijackthis has some boxes were you can put check marks and remove and item from
the list. DON'T FIX AND DON'T CHECK MARK ANY THING.

I wouldn't disable the Windows Automatic Updates.
 

tonij1960

Thread Starter
Joined
Jun 27, 2008
Messages
102
ok so far I did step 1, start control panel startup and recovery no automatically restarts.

Today it just rebooted itself, 11:59 no blue screen. Firefox saved its tabs so Im assuming its not a hardware crash.

Whats next hijack this or event viewer?
 
Joined
Jun 11, 2007
Messages
377
Did you try this ?
Create a Windows 7 Repair Disc
Start - Control Panel - Backup and Restore - at the left top corner -
Create a System Repair Disc - It may say DVD but a CD works OK

Computer Repair
Put System Repair Disc into CD - DVD Tray
Restart your computer - Be ready to press any key when asked.
If you don’t press any key in time, windows starts normal.
Windows is now loading files.
Title of new screen is - System Recovery Options
If selection is correct click - Next - Next - Startup Repair
If it finds something wrong it may repair at the beginning.

On this Forum only trained personal are allowed to work on a hijackthis log.
That's why I said go to the left top and click on Security & HJT and put your log their.
 

tonij1960

Thread Starter
Joined
Jun 27, 2008
Messages
102
The cpu is idling at 32c and I dont suspect the psu, plus the fact that it saved the tabs I had open for firefox leads me to be pretty certain its not a hardware crash.

There are a lot of winlogon occurrences in the event viewer. I just dont know where to start with going through the logs.
 
Joined
Apr 5, 2008
Messages
11,761
If the PSu dips in power it will shut the PC down.

You can post your Hijack log and see if anything shows up
 
Joined
May 7, 2011
Messages
14,142
In your Bios settings under "Power Management " you should find a setting for "auto restart on power loss" try disabling it. If the next time it shuts down it does not reboot you can be fairly sure it is a problem with the PSU. The PSU problem could be anywhere from the wall socket to a bad connector on the motherboard.

I doubt an HJT log is going to show anything that could cause a System Shutdown without a BSOD occurring and it is permitted for anyone to request an HJT log in the general forums but you need special permissions (or above) to use the tool to make any changes.
 

tonij1960

Thread Starter
Joined
Jun 27, 2008
Messages
102
ok this is what I found in the event viewer under windows logs system

The process svchost.exe has initiated the restart of computer ToniJ on behalf of user NT/Authority/system for the following reason

Operating system hotfix (planned)
Shutdown type restart

Log Name System
Source User32
Event ID 1074
Level System

11:58:12
 
Joined
May 7, 2011
Messages
14,142
From that error it sounds more like a problem with a Windows Update that may be corrupted. Run through this guide and see if the problem continues.

Step 1: Verify the relevant Windows Update services
=======================================
1. Click Start, (for XP click Run), type services.msc in the box and click on Services in the list above (or just hit Enter for XP)
2. The Services window will open. Search for Background Intelligent Transfer Service in the right hand pane and double click on it.
3. Under the General tab make sure the Startup Type is Automatic (Delayed Start). (In XP select Automatic) Then click on Apply if you have made any changes, click on Start if the service was stopped and then click on OK.
4. Scroll down the list and repeat the above steps with Windows Update. (In XP look for Automatic Updates)
Step 2: Rename the Windows Update Download folder
=================================================
One possible cause is that Windows Update's Download folder contains corrupted files. This step will disable the Download folder so that a new one will automatically be created.
1. Click Start, type: cmd in the Search box then right click on cmd in the pop up and select Run as Administrator. (For XP click on Start, then Run and type cmd in the box and hit Enter)
2. In the command window, type net stop wuauserv and hit Enter. Watch for confirmation that the service has been stopped and leave the Command Prompt window open.
3. Click Start, (for XP click Run) type: %windir% in the box and hit Enter.
4. Scroll down the list in the left hand pane and click on SoftwareDistribution. (For XP look for the same folder and double click on it)
5. In the right hand pane, right click on the folder Download, select Rename and change it to Download.old Close the window and confirm any prompts.
6. Back in the Command Prompt window, type net start wuauserv and press Enter. Close the window. Reboot the PC and future updates should download and install without any more problems.
Note: After resolving this Windows Update issue, please feel free to delete the Download.old folder.
 
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