Try something else I hope this works.
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. [Please Register or Login to download file]
2) Copie ttgo.bif file to the root SD Card
3) Use map Europe 980.7898 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) Copy "FastActivate.exe" to your SD Card root.