I am using ZoneAlarm Pro and it's been working great ever since I installed it. However, NS stopped working all of a sudden (was not able to load - Not Responding messege) and had to restart my computer after every attempt. So I narrowed the problem down to my firewall. After turning it off, NS loaded normally and I was able to join a game without any problems. If it is indeed my firewall that was the problem, what can I do in order to leave it on while playing NS? Keep in mind that my firewall had no problems with NS or any other program in the past, this just happened one day without warning. It is possible that I may have changed some setting in the firewall program without knowing. But if so, what can I do to get things back to normal?