1. For message: 'Your license is invalid':

Lumion 2023 and newer:

Lumion 12.5 and earlier:

Please follow the instructions in this article:

• Knowledge Base: How do you resolve anti-virus and firewall problems?

2.  'Your license has expired':

For the message in Lumion:

Or, in your Lumion Account, it says 'Disabled':

Please follow the instructions in this article: 

• Knowledge Base: What does this error mean for Students and Trial users?