As you say it's rare to have an update, mine still says No Newer Updates Available though. Am I doing something wrong? I've got version 1.2, latest detection update 4 March 2004.
Yea, something's wrong alright..........we're on version 1.3 http://www.safer-networking.org/en/download/index.html
Make sure you reboot after installing. Then update your definitions and immunize.
This version features TeaTimer which protects real time