Yes, first "deinstall" HAL, then reboot. Then deinstall all your cpu's (if the number of cores changed), thats no joke...deinstall your cpu's (all of them), th

Yes, first "deinstall" HAL, then reboot. Then deinstall all your cpu's (if the number of cores changed), thats no joke...deinstall your cpu's (all of them), then reboot. Update all the drivers...that's it.