display driver?

[MXSMATT]

ok so i was playing the game and it froze and when it finnaly unfroze my screen was all messed up and it said my display driver was not working propely and it told me to restart my computer so i did and then i started to play again and it did the same thing. Does anyone kno wat i need to do to keep that from happening? if you could u plz pm me or comment on this thank you