Lumion has discontinued the Emergency Activation Code system due to security improvements to their licensing backend. How to Restore Access to Lumion 9

. This is now required for all older perpetual licenses to remain valid. Check Firewall/Antivirus

or your local reseller. They can manually release "stuck" licenses if the software was not closed correctly on a previous session. Further Exploration Read the official Lumion Knowledge Base article on Offline Activation and Emergency Codes for the most up-to-date security policy. See the guide on Registering Older Perpetual Licenses

: If your primary internet is down, you can use a smartphone with tethering capabilities to create a mobile WiFi hotspot for the initial activation. Register Your License Online

: Ensure your Lumion 9 license is registered to your official Lumion Account

(like "License Invalid") along with the emergency code prompt? Can you use Lumion without an internet connection?

: Search your inbox for the original email sent by Lumion (Act-3D) after purchase or renewal. It contains your License Key and Activation Code. When to Contact Support