Are you currently trying to activate or Avenue , and is the computer you are using completely offline ? Unable to contact registration server - Resolume Forum

I can give you the exact steps or direct links for your specific version. Share public link

If you have followed the steps above and still see the "Invalid ID Code Link," it is likely a backend issue with your serial key.

We’ve all been there. You’re 20 minutes from showtime. The projector is warm. The audio tech is nodding. The crowd is filling in. You drop a clip into Resolume Arena, reach for that reliable Spout/Syphon or NDI link… and the engine answers with silence wrapped in a red warning: