Hello Frank! Welcome to the forum!
This could be related to this post:
But I am not sure given the details we have now. Please upload the latest log file by following these steps:
- Press Win + R
- Type
%appdata%\Navigraph\Simlink\logsand press Ok - A folder with log files will open, please select the latest one and upload it here!
Sorry for the inconvenience!
Kind Regards,
Malte