Greg, I went through that site, and closed my 139 port as they suggested. I did NOT download and execute their "free IP agent." The description says, "IP Agent easily manages all such complications. It determines your machine's current IP address — or addresses — then contacts this ShieldsUP! website for you." If I'm sufficiently paranoid to spend an hour studying that site and reconfiguring my TCP/IP, shouldn't I be paranoid about running their little "tool?"