I just updated my 2100max to the 4310 max. The gps seems to work fine so far but when I use my navigon fresh software I get invalid device definition file contact customer service, is there any thing I can do to be able to use fresh again. I can't download any new maps now.
In the Navigon Folder is a file called version. Right click on that file choose edit. Change settings under software to...
<copyright>NAVIGON Inc., Copyright (C) 2009</copyright>
Save file exit and restart.