If you have Nvidia Network Access Manager installed, try to uninstall it to see if it solves your problem.
You may also have a motherboard with hardware-based firewall similar to the mentioned above.
If you still can't sign on, go to the "Camfrog" menu in your main application window and try deactivating Camfrog Pro, then try again.
Perhaps the Pro serial number you are using was deactivated for some reason.
One-on-one private videochat is i Friends' signature feature, and something offered by all the models on our site.Bad feedback system helps stop SPIM (instant message spam).