WinXP PRO & GeForce2 MX400 - 64mb - PROBLEM! HELP!

could some1 plez help.
i recently bought the a new GeForce2 MX400 -64mb card.

i d/l the newest drivers for win xp from there site and am still having the same problem with tribes 2 the error message i keep gettin is…

Unhandled exception: c0000005
At address: 00000000