Originally Posted By: hybrid8
WTF. It seems that these memory errors only happen after running Windows (and some software) for a day or so.

With the capture card running (perhaps even just with its driver loaded), not to mention the other peripherals and their drivers, the system will be using more power than it does with a bare boot into Memtest. I agree with the others, it sounds like your PSU is flaking out under load.

Peter