RealNav Data - unable to connect to server error

1. Temporarily disable any realtime protection to the machine (Windows Defender, etc).  If that resolve the problem, add program C:\Program Files (x86)\Mindstar\Flight Simulator Addons\NavUpdate.exe to the exception list.


2. For institutions, request your computer staff to ensure port 7890 and 7891 is open to allow your simulator to outbound access to the ports.


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