Tend to agree with Piaqt -- certainly do not want all these similar apps clashing with each other trying to do the same thing. Also - I had good luck with zonealarm early on, but I read that it is gettting to be problems for many people. I personally have moved to a hardware firewall. You really have to look through the list and then the site they link to to find out if something is different than what you are already running. LS