TNT + openGL

hi Ive NVIDIA RIVA TNT2 model 64 and i’ve installed the denatorupdate for winXP but I still can’t play SOFII

I have a big problem on running “quake III” “out cast” “return to castell wolfnstain” and “solider of fortune 2” this games give me an big error “can not loal opengl sub sistem” and i don`t know what to do if any one can help me please a i do is play but on xp pro this games don t work i have a “pentiumIII 801” 128MB “nvidia aladin tnt 2” help me pleaseeeeeeeeeee!!! e-mail me if you can to