Yup, it must be the drivers, because I'm getting the same problem with Win ME and those drivers, and I have very different hardware. I'm using Duron 650 (Not overclocked - yet) ABit KT7, 256 MB PC 133, Elsa Gladiac Geforce SDR... I recently upgraded to the 6.26 drivers that are floating around (not on Nvidia's site yet) and that solved most of the problems. It still happens every now and then though... Oh well...