Do the following
1. start regedit
- about HKLM/software/Microsoft/Windows NT/current version
change the key "product name"
from Microsoft Windows XP
into Microsoft Windows 2000
install the Mustek driver for Windows 2000
undo the changes in the registry.
DONT!!! reboot untill you have changed the product key back to windows 2000.
It works fine i have the 1200 CU on XP Pro.
The guys from Mustec tech support sent it to me. Top Men All.