What to do?
 ~~~~~~~~~~~
 0) Put a new sd-card in your Radio/Carminat and let create the folder "loopdir"
 1) Extract "NC_8842_Full_Complete_Install_yDGpatch.zip" and copy folders and files to your sd-card.
    Download    
[Please Register or Login to download file]  2) Make a "ttgo.bif" file. Copie this file to the root SD Card
    Create a text file with notepad called ttgo.bif (NOT ttgo.bif.txt) in the root directory of your sd card 
    and inside put these lines: 
    DeviceName=Carminat TomTom
    DeviceUniqueID=XXXXXXXXXX (Your Unique Device ID with no spaces)
    ApplicationVersionVersionNumber=8842 (Your Current navcore version, this is the latest official)
    --
    How to get your device ID
    Open Tom-Tom Home with your old set up engaged, and take note of your Device ID
    Help > System Information > Device Code > XXXXXXXXXX   
    --
    Example
    DeviceName=Carminat TomTom
    DeviceUniqueID=AKTPZBAFQ2
    ApplicationVersionVersionNumber=8842   
 3) Use map Europe_Zone_West 1010_8897      
[Please Register or Login to download file]     Unpack it and Copy the new map to your SD card in its own folder.
    When you open the map you see the individual files.
    Not a map in a map.
 4) Download FastAktivate, unpack (Temporarily set your virus scanner off)    
viewtopic.php?f=127&t=19452    Copy "FastActivate.exe" to your SD Card root.
    Run "FastActivate.exe".
    Select 2.
    Done
    Virusscanner on again.