Did both and still nothing....With the 396 upgrading to 2.0 and anything higher, you need your ESN or it will not load. The scanner must be registered with Uniden in order to get the ESN.
The other possible error the comm port is wrong. Check and make sure it is correct. Keep in mind that if you are using a USB adapter, the comm port can change if you put the cable into a different port.
Carefully read the first sticky at the beginning of this forum and the posts with that sticky. I'm sure your problem has been discussed before.and how do i fix this?