Lumion 12 Is Being Prevented From Contacting The License Server Guide

Overzealous security software can block Lumion's communication with the license server.

Corrupted system files can sometimes interfere with software startup and connectivity. How to fix Lumion Startup Errors find Lumion.exe in your installation folder

: Click Change settings , find Lumion.exe in your installation folder, and ensure both "Private" and "Public" are checked. find Lumion.exe in your installation folder