communication error

I have 2 XPR 5550 radios, an OEM Motorola cable and latest software. one unit (UHF) when I plug in the cable the drivers load and am able to communicate with radio. The other unit (VHF) will not load the drivers. The radio recognizes and Impres accessory, but the drivers will not load. Radio...

Hi there, I am new here and really hoping someone can help. I am not new to programming and been doing it for a bit now. I have a UV5R, 2 RMV25, 1 Icom F521 and a few kenwood radios. my problem is the same on all of them. I used to be able to program any of them and now when I click "read from...