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Windows 7: Random BSoD

29 May 2011   #1

Windows 7 Ultimate 32bit
Random BSoD

Hi, I've been getting BSOD for a quite a few weeks now and I really need help.
I've had quite a few, they seem to happen at least once a day, sometimes 3-5 times a day, so it's difficult to do anything on my PC.

They happen randomly, sometimes when my PC is under heavy strain (like playing a game), and sometimes, when I'm not even doing anything on it (idle on the desktop). It happens almost 100% of the time if I am watching a flash-based video that's longer than 15-20 minutes.

The Stop errors seem to be random as well, some are DRIVER_IRQL_NOT_LESS_OR_EQUAL, some PAGE_FAULT_IN_NONPAGED_AREA, PFN_LIST_CORRUPT and KERNEL_MODE_EXCEPTION_NOT_HANDLED and rarely MEMORY_MANAGEMENT along with a few other rare ones.

I have formatted my HDD and reinstalled Windows 7 several times (once using a Windows 7 Home Premium disk, and the crashes still occurred, so that rules out a corrupt install disk), I read it may be a RAM issue, so I bought new RAM, but it still crashed. I've also heard people ask people with similar problems if they have a USB hub, and I do, but I have removed it and it still crashes.

I've done a sfc /scannow and it came up clean ("Windows Resource Protection did not find any integrity violations.")

One other thing that is strange is after the crashes started, I downloaded Memtestx86 and tested my old RAM (which is 2 2GB sticks, tested each individually and in both my RAM slots) using it, it threw up over 1 million errors (and counting before I stopped the test), I then took a 512MB RAM stick from my parent's computer and tested that with Memtest, came out clean, so I assumed it was my RAM.
That's when I bought the new RAM (again 2 2GB sticks), but it came up with errors like my old RAM.
What confuses me is that it was fine with the 512MB stick, but not any of the others, so I would think that rules out the slots being damaged, doesn't it?

I updated all of my drivers to the latest versions that I can find, and I've updated my BIOS as well.
But then this morning I started to uninstall drivers to make sure I had the most up to date drivers and I noticed that the Security Processor Loader Driver was having some problems. I read up on it and someone (I think it was on these forums) suggested it may be caused by a virus, so I did a virus scan using Microsoft Safety Scanner, I let it run for about an hour and a half then it picked up an infected file (I did all of this in safe mode, cause it seemed more stable), but I had to leave the house, when I came back I had another BSoD, so I have no idea if it got rid of the virus or not. All I know is that the Security Processor Loader Driver has disappeared from the device manager, so I assume it isn't causing anymore problems, but I'm still getting BSoD.

I really need help, I need to find and fix this problem, I don't have the money to buy a new computer, but I may suspect it's a hardware failure (I hope it isn't though).

Also, my computer is custom built (by a company I paid, not me, built 2 years ago) and my warranty has expired, so I can't get any help there.

I am currently using my old RAM (the RAM that came with my computer).

I've done diagnostics on the RAM (see above), HDDs (came out clean and I've done half a dozen chkdsks) and graphics card (clean again).

I also installed Ubuntu last night on one of my PCs lesser used HDDs and it ran the whole night without any problems, which makes me doubt a hardware problem (or Ubuntu would have crashed in some way right?).

I've attached my dumps and everything.
I did have other dump files, but for some reason my computer deleted the majority of them, luckily I had a backup copy of them
Here's a link to the older dump files just in case - Windows Live.

System Specs:
OS - Windows 7 Ultimate
x86 (32-bit) or x64 ? x86 (32-bit)
What was original installed OS on system? I installed it myself (custom build, didn't come with OS installed)
Is the OS an OEM version or full retail version? Full Retail
Age of system (hardware) 2 years
Age of OS installation - have you re-installed the OS? 2 weeks (reinstalled OS a few times to make sure OS files weren't corrupt)

CPU - AMD Phenom 9950 Quad-Core Processor
Video Card - ATI Radeon HD 4650
MotherBoard - Asus M3N78 SE
Power Supply - OCZ, 600w (can't give exact model, sorry)

System Manufacturer - Landmarq Technology (UK company that built my PC)

If anyone can help it would be greatly appreciated.

My System SpecsSystem Spec
29 May 2011   #2

Windows 7 Ultimate 32bit

Just got a brand new BSoD.

Rather than an error like MEMORY_MANAGEMENT, it said "The video memory manager has encountered an unexpected fatal error".
I've never had this kind of BSoD before, here's the new dump file.
My System SpecsSystem Spec
29 May 2011   #3

Windows 7 Ultimate 32bit

I know it's only been about 4 hours since I posted, but my computer has gotten worse and I really need help.

It takes ages to load my desktop (after about 5 minutes the activity light is still going like mad), and after another 5 minutes I get another BSoD.
Even Ubuntu crashed, just locked up, sure if it was related to the problems I've been having recently.

Later I will try changing the RAM to the new RAM I bought, see if that helps, but I have no idea if it will or not.

Considering the way it's running just now, I think the whole computer is failing.
Anyone else have any idea how I can fix this?
My System SpecsSystem Spec

30 May 2011   #4

Windows 7 Ultimate 32bit

Update: I reinstalled the drivers for my graphics card and that seemed to stabilize my PC a bit, but I am still getting quite a few BSoDs. The latest one said fileinfo.sys was the problem.

Does anyone have any idea?

I'm going to run another virus scan while I'm out today, hopefully it won't crash.
If that doesn't help, I'll try repairing Win7 again, see if that does anything.
My System SpecsSystem Spec

 Random BSoD

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