usb mass storage driver for xp

I found numerous 7800gt cards installed even though the new drivers I had been loading all along said they uninstalled the previous driver versions. I uninstalled all 7800gts in Safe Mode, Device Manager then rebooted. Once I returned to Windows I reinstalled the 7800gt drivers and still had the same problem. I finally contacted XFX about a bad card and they recommended downloading Driver Cleaner and running it before reinstalling the new drivers. Once I ran DC I usb mass storage driver for xp the drivers and everything has been working great ever since on that.