Check the firewall of your computer so that the application can access the Internet. If it's using online servers to activate then this is a must. If you still encounter issues with your serial number, contact the support team to check the validity of your serial number.
Check the firewall of your computer so that the application can access the Internet. If it's using online servers to activate then this is a must. If you still encounter issues with your serial number, contact the support team to check the validity of your serial number.