License Server Error

I try to activate my software using the fast method, i paste the correct serial number but get the error -
License Activation Failed.
License server could be busy, try again later,
or Activation License Key is invalid.
I also tried the email activation, i sent the mail with the information but did not receive any mail back.

Free trial used

According to our records you have already used your free trial. Please stop trying to game our license manager by using different email addresses.