I suggest starting from scratch and installing the latest navcore v8.413.1237
The files and keygen you need can be downloaded from the link in my post on the following thread.
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Before installing the SE navcore v4.13 make sure you make a BACKUP of your existing tomtom files as explained in the thread. As there are a few folders and files from your current setup that need to be used in order to get the latest navcore working.
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