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PC randomly freezing without error message

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#1 drunkymunky


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Posted 21 August 2009 - 12:11 PM

We've been having problems with our PC for a while now where it's been freezing at random times of the day, whilst doing completely different tasks each time, without error message. It happens at least once a day and nothing works - the mouse freezes and Ctrl+Alt+Del won't do anything either. We are running Windows XP SP2 and have already tried cleaning out the inside of the PC as we had this problem a few months ago and this is what fixed it last time. However, we have cleaned it 3/4 times in the last week using an air canister and installed an extra fan and we're still experiencing problems. We have SpeedFan installed and it tends to show a temperature of 43 / 44 when the PC crashes but it often runs at that temperature for several hours before crashing so I'm not sure that's the problem.

Last night we did have some progress (?) in terms of errors at least. It crashed in the same way as described above, and after a manual reboot, it automatically ran chkdsk. It now won't start in Safe Mode, though it will go into normal Windows OK. When it crashed today, it did actually throw up an error message though:

"Generic Host Process for Win32 Services has encountered a problem."

Then the usual error report send / don't send message. We manually rebooted and an error message popped up when Windows loaded saying:

"svchost.exe - Application Error. The exception illegal instruction. An attempt was made to execute an illegal instruction (0xc000001). Location 0x76da7235. "

I clicked OK to stop the service rather than cancel to debug. The PC then failed to get an IP address and we had to restart the DCHP service to fix it. I don't know if it's related but we've been having problems with our wireless connection recently too, but fixed that by opting for a neighbour friendly option on the router. The only other strange thing we've noticed is that we can't install SP3 - it fails when we try. No idea if that's related or not? We have Automatic Updates on.

Does anyone have any idea what is causing these crashes? It's frustrating that we're not generally getting error messages - it makes it so hard to work out what it is!! We've not installed any new software or hardware recently.

Thanks for your help!

Edited by drunkymunky, 21 August 2009 - 12:23 PM.

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#2 drunkymunky

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Posted 21 August 2009 - 12:13 PM

Sorry, should also say we updated the graphics and sound card drivers last night as well and it doesn't seem to have helped. We have AVG Free installed and nothing comes up in a scan.

#3 hamluis



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Posted 21 August 2009 - 01:26 PM

Various suggestions on the Web about these being malware-related.

I suggest that you download, install, update...then run (full scan):

Malwarebytes.org - http://www.malwarebytes.org/mbam.php

SUPERAntiSpyware.com - AntiAdware, AntiSpyware, AntiMalware! - http://www.superantispyware.com/

Run a full scan with one...then a full scan with the other.

SP3 can be installed by means other than the WUS, you can download it and then install it from the desktop. It's a critical update that's been out a long time now and most persons who don't have it installed...don't see to realize that they have weakened their system security by behaving in the manner they have chosen.

http://www.microsoft.com/downloadS/details...;displaylang=en Ignore the verbiage, just click and download.

Suggested reading before attempting SP3 install: Windows Xp Service Pack 3 (sp3) Information - http://www.bleepingcomputer.com/forums/t/146857/windows-xp-service-pack-3-sp3-information/


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