Video driver problem [求助]

I use AIW X800xl, the computer restarted after I install the catalyst 6.8. It keep saying: the vedio driver cause the problem. I reinstall the driver, same thing. Can somebody give some advices? sorry, I can't type chinese. My OS is winXP pro.
Thank you very much!
My system
AMD 4400+
abit at8 32x
Cosair 2g pc3200
seagate 320 sata
maxtor 250 sata
and stupid ATI AIW x800xl