If CoH causes problems that could be a software fix isolated either to the game or the nvidia drivers being used by the game. (Some folks believe the nvlddmkm is an issue related to overheating.) If Crysis doesn't overstress it, I don't know what will. I mention all this to show that the machine has plenty of horsepower and cooling. If it runs well for several more days, I will start CoH and see if I then get instabilities. I am going to see how long I can run without nvlddmkm cropping up. Right now I have a sense that this is related to Company of Heroes. I can run Crysis in DX10 with all settings on max using 1920x1200 resolution.(8800GTX at stock with extra cooling/heatpipes.) (And the nvlddmkm issue had popped up BEFORE I overclocked the processor and adjusted RAM voltage.) I've ensured my Vram is at the rated voltage, and to help my Abit Ip-35 pro I've upped the MCH volts to 1.33. I have a mild overclock on my q6600 (from 2.4 stock to 3.2), but a LOT of cooling. I thought I'd licked the nvlddmkm problem several weeks ago because it hadn't occurred during that time span. You're giving excellent advice, and I do appreciate it! So, other than what's in box, what's operating the box, and items used by the box, there doesn't seem to be anything else to cover!!Ĭooling, voltage, etc., doesn't seem to be at fault. The main thoughts seem to be hardware incompatibilities, driver issues with nvidia, Vista problems. The prevalence of this issue is distressing. I hard reboot pushes the nvlddmkm problem away. I defy ANYONE to accurately assess what Vista is doing with or to their system at any given moment.) (By that, I mean that _I_ am not clicking, pressing, or entering anything. In fact, I believe it will occur with no extra process going on. Once it comes back, it continually comes back, even if not playing a game. The nvlddmkm problem goes away for a period of weeks, then reappears. It is a variable that I have not changed, nor am I willing to swap operating systems for the sake of troubleshooting.) (Note that Vista Ultimate 圆4 is the ONLY OS ever on this machine, so I cannot isolate the issue away from the OS. The nvlddmkm issue has raised it's ugly head intermittently since I began using this machine with Vista 圆4. My main games are Company of Heroes (and the expansion, Opposing Fronts), World in Conflict, and Crysis. I've been running the 169.25WHQL drivers since they were released.

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