Quote Originally Posted by andy9838 View Post
Ok, so why Southern Africa map for use on the GARMIN C320 will be locked out of my program interface? map to an SD card, open GPS, is stuck in the State of the progress bar
Sorry, I'm reading this 10th time, but I'm not sure what are you trying to say.
I understand that this map (Southern Africa) is locking your Garmin C320
If it is so, problem is in map (again)
Try to download again and unpack with WinRar or WinZip as I told you before