Yeah, use the upgrade instructions in my post above.
http://forum.ppcgeeks.com/showpost.p...&postcount=121
You don't have to manually uninstall the old one unless for some reason it doesn't ask you to when you install the new one.
Edit: CAB was just upadated to 1.0d at the link above. It now automatically installs the required DLL, so should be more foolproof and such.
