Comodo firewall activation

Does anyone know why I cant activate the licence of the firewall? It shows me the message that the product is being activated but it never ends.

Hello pixdot and welcome to the forums.
Are you using copy / paste method? When you highlight activation code are you trailing past code to far? I have seen this prevent other softwares from being activated.
possibly try manual entering code. Hope this helps, tim

Also, try changing Comodo firewall settings temproarily to allow all then try to activate