Catalyst 4.91
 

ATi have released a new set of Catalyst Drivers version 4.91 that fixs the Psychotoxic Demo:

Attempting to start a new game of Psychotoxic may result in the game failing to respond or producing a VPU recover error.

Users who are experiencing this issue are advised to download and install this driver hotfix. A future CATALYST release is expected to address this issue

http://www.ati.com/support/infobase/4618.html
http://www2.ati.com/drivers/wxp-w2k-...ix-018185E.exe