Thanks for quick replies.
1) First of all I do not think that the physical RAM is the culprit: how would you explain that system ran almost a year without any problems? Unless one of the memory sticks gone bad... I will try to remove them one by one and see if there's any improvement.
2) I have not installed any new hardware recently and the only thing I can think of software wise I installed the latest XP update. Maybe that is the problem?
3) I do have an Nvidia graphic card and yes I have had share of driver problems in the past but it seemed to be resolved lately. I will look into newer driver as well.
I tend agree with She-Wolf on the fact that it is most likely software/system issue rather than hardware. As she pointed out the system runs stable in Safe Mode (i.e. without any 3rd party drivers) but on the other hand I can't see how driver would be responsible for this situation:
I restart Windows, after everything is loaded I try to open a disk D: in Explorer... So far so good...I double click on directory, it opens...I try to go one directory deeper...BOOM BSOD!!!
Which driver could possibly cause that? Graphic card? I don't think so... I can start Firefox and browse for some time without any troubles. Weird. And than out of sudden I just move cursor and... BOOM BSOD. Really frustrating!!!
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