Quote Originally Posted by EagleMark View Post
It may be the file if you have everything else set? Big problem with cables in USB ports to TunerPro is USB/Com port moves, I have to find which one works on my computer each time I start it. So start your computer, do the cable test before plugging into car and make sure cable is in correct USB port, next time it may move!
Win7 FTW! :)

In Windoze7, the device is assigned a com port, and no matter which physical USB port it is plugged into, it uses the same com port. :)