Strange issue with video corruption

[Deimos]

I've been running my system pretty well overclocked for about a month now but I'm having this strange issue where if I open adobe bridge, camera raw or Photoshop I get corruption in my images when viewing them at 100% or magnified (like 150% or 200% etc)

the other wierdness I'm getting is when I run some games, GRID is a prime example, I get texture flashing and the geometry starts warping and twitching.

It doesn't seem to matter if I run the system overclocked or not, if I set everything in the BIOS to auto I still have it.

This only just started happening a couple of days ago.

Also if I run linpack (IntelBurnTest) 10 passes I get no errors, and I ran memtest86 at my overclocked setting for 2 passes and didn't get any errors.

The only thing that changed was I installed CDex and EAC, I'm about to re-ionstall windows and just wondered if anyone else has experienced this issue before.

System specs:
E6600 @ 3.6Ghz 8x450FSB
Corsair XMS2 DDR2 800 @ 900Mhz 5 5 5 15
Asus Maximus II Formula
Radeon 4870
Windows server 2003 enterprise R2 (Had the same problem under Windows XP 32bit)

 

[Deimos]

Well it looks like it is definitely not a software issue.

Asus support asked me to try my video card in a different slot, no difference, I tried another video card, no difference.

I'm now noticing a whole lot of things going wrong, for example, any sound that plays through the centre channel on the sound card is now very strange sounding, like a high pitch screetching over the top of what ever is playing.

I have no idea what could be causing this, waiting for Asus support to get back to me.

 

[LatexRat]

Very strange, maybe a power issue.. Try a different wall socket.. Possibly your power supply going bad.

 

[Deimos]

Very strange, maybe a power issue.. Try a different wall socket.. Possibly your power supply going bad.

I seriously doubt its a power supply issue, I'm running a Silverstone 850W PSU, all voltages are stable no matter what I throw at it.

The power supply was working fine befoe I upgraded, also, I had the problem when I first build the PC, it went away for a while, I thought it was OK, and the other day I was giving it a decent stress test and it started again.

Also, if it was a power issue it would be random and unstable but I can consistently reproduce the same issue over and over, and the system is rock solid, it still passes the IntelBurnTest.

 

[LatexRat]

Well then the only other thing I can think of is the motherboard going out.