Problem with activate mudbox 2013

After i install mudbox 2013 i want to activate it ,but when i was try to open mudbox ..as for activate and the button for (try) is Off >>license status was 1.1.0 ..
I click activate button than i got this message. a license error has occurred contact your technical support representative for assistance to determine the nature of the problem the error code is : 110 really i search all the time to solve this problem.
Please i need a help
