i have: Windows Vista Ultimate (x64) Service Pack 2 (build 6002) 2.53 gigahertz Intel Core2 Extreme Q9300 64 kilobyte primary memory cache 12288 kilobyte secondary memory cache 64-bit ready Multi-core (4 total) Not hyper-threaded NVIDIA GeForce 9400M G [Display adapter] NVIDIA GeForce 9800M GTS [Display adapter] (2x) NVIDIA t Flat Panel [Monitor] (14.9"vis, November 2002) crashing all the time