Hello! Welcome to our forum!
I moved your topic to the correct category and removed some placeholder content from your post - I hope you don’t mind!
Have you searched this forum for similar issues and their solutions? This is not a Navigraph issue, but rather one that needs to be handled by the simulator and/or third-party scenery developers.
Here is an example topic that has a solution that could work for you too:
Kind Regards,
Malte