No License found!

[Juan M 0]

I get an error of No License found every time I press a key and it says that I need to purchase a license key 
Any help?
-Juan M

[Delta111 29]

Not much specificity here, but ummm, purchase a license key..

 

[Juan M 0]

I've already purchased a key and it doesn't work

[somiller 694]

If you have already purchased a license try activating it in Aviaserver.