FSX Deluxe after not working and being reinstalled is not letting me activate it

Error:



A technical problem occurred while accessing the online activation server.



License authorization was unsuccessful.







We apologize for any inconvenience. The roblem may be due to a temporary network interruption or the server may e busy at this time. If the problem persists, check your network connection and verify that you can brows te Internet with your Web browser.







Please HELP!!!