Lumion 12 Is Being Prevented From Contacting The License Server [work] -

Open by right-clicking it and selecting Run as administrator . Must have Admin privileges. 2

Phase 2: Solving Firewall and Antivirus Blocks (Most Common)

Click the Windows Start menu, type , right-click it, and select Run as administrator .

Security software misidentifying Lumion's outbound traffic as a threat. Open by right-clicking it and selecting Run as administrator

Before diving into advanced settings, try these quick solutions that solve the majority of activation issues. 1. Launch as Administrator

In Notepad, click and navigate to: C:\Windows\System32\drivers\etc\ .

Visit the Lumion Registration Portal to create or sign in to your profile. Register your Lumion 12 license key inside your dashboard. Launch as Administrator In Notepad, click and navigate

These network tools, often used for security or within corporate networks, are known to interfere with Lumion's ability to contact its license server. If your computer accesses the internet through a proxy server, the license validation process will fail because Lumion does not function correctly through one. Here's what to do:

This error typically appears during startup, license validation, or when trying to access online content. The good news? It is almost always a local network or security configuration issue—not a problem with your license key.

Change the file type dropdown from Text Documents (*.txt) to to see the hosts file. Open the file named hosts (do not open hosts.ics ). These network tools

Temporarily disable it. If Lumion works, add Lumion’s entire install folder as an exception.

Navigate to C:\Windows\System32\drivers\etc\ and open the file named . Search for any lines containing the word "lumion" . Delete these lines and save the file. Note: Ensure you do not save it with a .txt extension. 5. Troubleshooting Startup & System Software

Below is a step-by-step guide to diagnosing and fixing the issue so you can get back to rendering. 1. Clean the Windows Hosts File

Press the , type Notepad , right-click it, and select Run as administrator . Click File > Open in the top menu.