Sometimes the software "forgets" it is registered because of Windows updates or registry errors.
Ultimate Troubleshooting Guide: Amiga Forever License Key Fix amiga forever license key fix
The license key is not the number under the GS1 (EAN/UPC) product bar code. 2. Resolving "License Key Error #6" Sometimes the software "forgets" it is registered because
If you're installing an upgrade and get this error, it often means the previous version's key was the one blacklisted. Ensure you are upgrading from a legitimate, registered version. 3. Fixing the "Expired" Message in the Launcher amiga forever license key fix