The error message disappeared, and John was able to render his scene without any issues. He realized that SecurityGuard had been blocking Lumion 12's access to the license server, likely due to a false positive.
[Current Date] Software: Lumion 12 (any variant: Pro, Studio, or Educational) Issue Type: Network / License Validation Error Error Message (Implied): “Unable to contact license server. Check your firewall and internet connection.” The error message disappeared, and John was able
Navigate to your Lumion installation folder (usually C:\Program Files\Lumion 12.0\Various\Redist versions ). The error message disappeared
John contacted the Lumion support team, reporting the issue and providing details about the problem. They were grateful for his thorough investigation and confirmed that the issue was indeed related to SecurityGuard. The error message disappeared, and John was able