An error message "SN (a serial number) is invalid. (Error code: 10)" pops up, after clicking the "Activate Button" in License Management Tool.
1. Serial number not found in our license server.
2. The license does not exist or there is a typo.
1. Kindly re-check your serial number again and/or type it properly.
2. If the issue still persists, please contact us at eHelpdesk v2.0.