If Your Windows Firewall is Broken, a simple way to firewall it from the Internet is using Firewall Software. Usually we need to pay for a Firewall Software. But a Great free firewall software COMODO Security is the answer..
COMODO Internet and antivirus security is a great free software.
From the Image above we can see COMODO as Antivirus and Firewall. It can shows what kind of program that using almost of the traffic. If Program that using traffict seems to be strange, we can turn it off.