can someone help me register this firewall

hi
i recieved the licence key, but no matter what i do, the program won,t accept it, i keep getting message
error-2147217402:
i tried to copy and paste it, but can,t get that to work either, it,s driving me nuts (:AGY) (:NRD)

Kevin

get another key to see if it makes a difference.
thanks
Melih