Ran Memtest86+ off of CD today for several complete passes without any errors. Then ran Everest on "stress everything mode" and again no errors. I've narrowed down when this all started happening, and it was June 11th. I checked thru everything and the only thing that was installed or updated even close to that date was a Windows update on the morning of the 11th.
The following are the Windows updates that were installed:
KB951698, KB950760, KB950762, KB951376
Just wondering if anyone else has had anything wonky happen after installing these updates? Anyways, I've uninstalled them for now just to see if I get any stability back.
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GA-P35-DS3L Rev. 2.0 - Intel E8400 Wolfdale @ 3.0 GHz - Thermalright Ultra 120 Extreme - 4x2 GB Mushkin XP PC2-8000 - Gigabyte 8800GTSx512 MB
Arctic Cooling Accelero S1. Rev2. - 2x500 GB Seagate Barracuda 7200.11 - Pioneer DVR-212D - Antec P182 - Corsair TX650 - 22" Hanns-G - XP Pro 64 SP2