well i have win xp and sfc2/op and i have no problem with it execpt if i want to play romulan, maybe i need to install another patch, i have 2525 but beside that and the fact that rom are mostly never there or just 1 cargo ship, but the game is working fine, my com is a amd athlon xp, 1533 meg, 228 more or less ram, integrated video card 32 meg, hd of 20 gyg, 12 left (this hd is for sfc ) and a 40 gyg for windows and other stuff, so its working fine and i will add more ram and a bether video card when i got the $$$. but the problem might be just your com.