page for tips on resolving hangs or crashes during the activation phase. Are you seeing a specific error message number
. This is now required for all older perpetual licenses to remain valid. Check Firewall/Antivirus lumion 9 emergency activation code
If your license is showing as "invalid" or "disabled" even with an internet connection, you should contact Lumion Technical Support page for tips on resolving hangs or crashes
: 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 lumion 9 emergency activation code
(like "License Invalid") along with the emergency code prompt? Can you use Lumion without an internet connection?