hope this helps
plug your radar box in you my get a pop up box with 3 fix's just close it down and try my fix below
Go Device manager right click on the AirNav logo> AirNav Radar box comes up choose update driver software> box pops up choose browse my computer for driver software click that >next box choose next it point to the correct detail on c:\programs etc>click next 2 pop up boxes appear one will say don’t install this driver software ignore that and click install this driver software anyway job done
Kind regards
Michael
aka puddy