Code: Only the registered members can see the CODE Contents. Consequently - if we won't learn how to change SerialCardNumber (ex: 1b5030102f7e37fb00acdf) to one mentioned in file ttgo.bif of Carminat - nobody can use *mct file from another SD-card. And moreover - you can change this number in any way (change it manually, or you can format SD card - volume ID will be changed automatically), but SerialCardNumber will leave the same - hence, after doing this you can return original content on SD (with *.mct of course) and make sure that the key is working in-spite of volume ID changing back and forth. I can assure you: volume ID (4E0D-F1F7 or any else) has nothing common with SerialCardNumber, to which *.mct file being generated. Quote: Only the registered members can see the QUOTE Contents. Make sure the application for Carminat TomTom LIVE is selected and then click Update and install. Then click Update my Carminat TomTom LIVE. Did someone find a solution for the tomplayer to work on the carminat live? Browse TomTom support.