ut 99 works fine in win 7 x64 i use open glide with no probs I installed directx_nov2008 latest nvidia drivers 181.20_geforce_winvista_64bit_english_whql and used DB's settings from here http://forums.utassault.net/showthread.php?t=67779 works a treat I suggest if you have probs contact DB hes pretty good with ut and op system problems nice guy who dont mind helping fellow fraggers