I don't know why but it happens so you can't use it because the maps from primo are not good with rtnavi because of licences. can I send you the original RTNavi program but unfortunate when I put it on torrent I lost the maps. I will send you the dvd in a anvelope like a letter and this will be free of charge I don't need money. Ok I don't understand what is happened with torrent but you can give me your home address or PO box how you wish and I will send you a dvd with igo primo working including everything ,just copy on a sd card and put in your f550bt
