If the software is already installed, you can find the key by clicking Help and then About . This screen displays your version number and current license key.
Ensure the "Stop" value is higher than the "Start" value. If these are reversed without selecting the "Descending" option, the software may fail to generate the series.
If your "serial number fix" refers to a sequence that isn't printing correctly (e.g., skips numbers or won't increment), use these configuration steps: