I'm running on XP and stand alone. Generally no other software running except Outlook and CA Internet security. Machine is a coppled together system with 2.40 gigahertz Intel Core 2 Duo 64 kilobyte primary memory cache 4096 kilobyte secondary memory cache 8192 kilobyte tertiary memory cache. Board: MICRO-STAR INTERNATIONAL CO.,LTD MS-7238 110 Bus Clock: 267 megahertz BIOS: American Megatrends Inc. V1.3 01/05/2007. NVIDIA GeForce 7600 GS BenQ FP222W [Monitor] (22.0"vis, November 2006)