Hi, I just built a computer from the ground up and some of my games crash every now and then. Specs: -P4 3.0 Ghz 1MB L2 Cache, 800 Mhz Front side bus -MSI Motherboard 865PE Neo 2-P (for Intel Northwood/Prescott Processors) -1 gig of RAM -ATI Radeon 9800 XT (256 megs) -(didn't overclock the CPU, don't...