open gl subsystem error

I know many people have asked the same question before but i dont get it!!!
I downloaded some setups from www.opengl.com but they say that it doesnt work for xp.

—My PC—
Windows xp
nVIDIA GeForce 2 MX 100/200

When i try to play Jedi outcast it says the error!!Tough i run safe mode the same error comes.

What shall i do???

Download the windowsXP driver for your video card from NVIDIA.