The you are seeing (e.g., "Invalid Key" or "Cannot Connect to Server")
: In the software, go to Help > Enter Activation Key and paste the code you received. Method 2: Troubleshooting "Activate MPEG4" Errors
Here is the context typically found in such posts and how to handle the activation: Why the Key is Needed
I’d be glad to help with editing tips, comparing video software, or finding official upgrade paths instead.