The ialmrnt display driver!

Hello,
hey i was playing the sims 3 for awhile and all of a sudden the screen turns to 3 colrs and is small !it says the ialmrnt5 display driver has stopped working normally save your work and reboot the system to restore full display functionally. The next time you reboot the machine a dialog will be displayed giving you a chnace to upload this failure to microsoft! the my video card is called intel r 82945g express chipset famiily i tried updating but it keeps saying i already have the latest update! i have windows xp proffesional 200 my i can't find a higher update ! for it my regular one is 6.14.10.4229! please help thankyou !