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PC keeps rebooting


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#1
Buffyfan

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Hi, I have a PC running Windows XP that keeps rebooting randomly. I looked through the forums and found one that suggested turning off the reboot automatically setting in Control Panel, and was then able to get a BSOD message, as follows STOP: 0x0000007E (0xC0000005 , 0x804EF436 , 0xF7973A60 , 0xF797375C). Can you please point me in the right direction? What other info do you need? The PC restarts fine after checking the HD. Thanks :)
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#2
Broni

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Can you boot to Windows at all? Normal Mode, Safe Mode?
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#3
Buffyfan

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Hi, yes it goes into Windows fine, but reboots after a period of time (or now blue screens since I turned off the auto reboot). Haven't been able to get all the way through a virus check yet, but virus signatures were up to date before it started doing this. Thanks
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#4
Broni

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Navigate to: C:\Windows\Minidump folder.
If you see any .dmp files, zip all of them, and attach zipped file to your next reply.
Vista users You may need to copy .dmp files, paste them into some other folder, or desktop, and zip them there.

Download, and install SpeedFan: http://www.almico.com/sfdownload.php
Post your computer temperatures:

Posted Image

Provide processor info (hold Windows logo key, and hit Pause/Break key to find out).
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#5
Buffyfan

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Hi,

Minidumps attached, along with jpeg of system spec and SpeedFan read-out. :)

Thanks

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  • untitled1.JPG

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#6
Broni

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Something is hot here. Your processor max temp is listed at 69C.

Download, and install Everest: http://www.majorgeek...wnload4181.html
Open it.
In left pane expand Computer folder.
Click on Sensor.
What info is listed there?
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#7
Buffyfan

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Screen shot of Everest info with Speedfan info at the same time. Temp 3 is really variable, it's now about 10 minutes after the screen shot and showing 31 degrees (Temp 2 48 degrees). Now less than 1 minute after writing the first bit temp 3 is 70 degrees

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#8
Buffyfan

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Should also mention that I'm not working on the PC in question, this is being done in another, so that PC is idle. While watching it I saw a process called MsMpEng.exe bogging down the CPU. Looked up on the net and found it associated with Windows Defender, which as far as I can tell you don't need if you're keeping virus software up to date? I also turned off Windows Firewall, as I think two firewalls were turned on. Comodo, Avast SpywareBlaster and SuperAntiSpyware are all installed and kept up to date. The PC isn't currently connected to the net, in case any of this is wrong. A few minutes after the CPu was bogged by Defender, temp3 reached 75 degrees
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#9
Buffyfan

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chart of temp 3 showing rate of increase

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#10
Broni

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Personally, I have no clue what temp2, and temp3 are in this case. Video card? Is dedicated card installed, or is it on-board video.
According to Everest, CPU temp doesn't look bad.
I'd open the case, and give it a good cleaning with compressed air anyway.

All latest BSODs were caused by cmdguard.sys, which is part of Comodo.
I'd suggest reinstall.

Also...
Download Security Check from HERE, and save it to your Desktop.

* Double-click SecurityCheck.exe
* Follow the onscreen instructions inside of the black box.
* A Notepad document should open automatically called checkup.txt; please post the contents of that document.

Edited by Broni, 26 June 2009 - 04:48 PM.

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#11
Buffyfan

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OK removed and re-installed Comodo (doesn't show on the security check??). Machine has a separate video card, couldn't see much dust or anything when I had the cover off. Will check and re-seat. Thanks for your help


Results of screen317's Security Check version 0.98.4
Windows XP Service Pack 3
``````````````````````````````
Antivirus/Firewall Check:
``````````````````````````````

Windows Firewall Disabled!
avast!Antivirus
``````````````````````````````
Anti-malware/Other Utilities Check:
``````````````````````````````

SpywareBlaster 4.1
SUPERAntiSpyware Free Edition
Java™ 6 Update 7
Out of date Java installed!
Adobe Flash Player 10
``````````````````````````````
Process Check:
objlist.exe by Laurent
``````````````````````````````

Alwil Software Avast4 aswUpdSv.exe
Alwil Software Avast4 ashServ.exe
ALWILS~1 Avast4 ashDisp.exe
Alwil Software Avast4 ashMaiSv.exe
Alwil Software Avast4 ashWebSv.exe
``````````````````````````````
DNS Vulnerability Check:
``````````````````````````````


Scan took 14 seconds.
`````````End of Log```````````

PC not currently connected to the net, would be why the DNS check failed
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#12
Broni

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Are you using Comodo as firewall only?

Any more BSOD after reinstall?

You need to update Java.

Please download JavaRa to your desktop and unzip it to its own folder
  • Run JavaRa.exe, pick the language of your choice and click Select. Then click Remove Older Versions.
  • Accept any prompts.
  • Open JavaRa.exe again and select Search For Updates.
  • Select Update Using Sun Java's Website then click Search and click on the Open Webpage button. Download and install the latest Java Runtime Environment (JRE) version for your computer.

Note 1: UNCHECK any pre-checked toolbar and/or software offered with the Java update. The pre-checked toolbars/software are not part of the Java update.

Note 2: The Java Quick Starter (JQS.exe) adds a service to improve the initial startup time of Java applets and applications. If you don't want to run another extra service, go to Start > Control Panel > Java > Advanced > Miscellaneous and uncheck the box for Java Quick Starter. Click OK and restart your computer.
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#13
Buffyfan

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Yep, just as Firewall. No more BSOD, PC has been running for 3 or 4 hours now. Updated Java prior to your post, but will do JavaRa later. Thanks for your help, hopefully all good now
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#14
Broni

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Very well then :)
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