You can find the answers to many questions here, it’s very likely someone before experienced the same problem as you do. Otherwise you can also submit an issue ticket and wait for our help.
On that occasion please re-download license key file from User Area. From time to time we make some changes within a license key file when new version rolls out, to slow down software crackers a bit.
Next time when you download an update, please download license key file too, just in case to be ready.
Use the search or contact our staff:Submit a ticket