| Error Message | Meaning | Fix | | :--- | :--- | :--- | | "Invalid Registration Code" | You typed it wrong or the code is for a different NCH product. | Double-check caps and hyphens. Debut codes start with "D". | | "Activation Limit Reached" | You installed Debut Pro on too many PCs (license is for 1 PC). | Deactivate on the old PC, or buy a multi-PC license. | | "Code Expired" | You used a trial code or a student code. | Purchase a full lifetime license. | | "No Internet Connection" | Debut needs to phone home to verify the code. | Connect to WiFi or use offline activation request file. |
: Once activated, the system will generate your final registration code (typically a combination of numbers and letters). Step-by-Step Registration Guide