If device is not recognized delete it on "gestione periferiche" an install activesync 4.5 (for xp) or "centro gestione dispositivi windows mobile" for windows vista/7, disconnect and reconnect.
With the original DVD you can reinstall all
Mio more desktop 7.30 is the utility.
Remember all that in the first 30 days from first gps fix all new devices can be upgraded free to the latest firmware/software/maps using the original software.
After that.....free will!