As has already been suggested, try removing your iChat preferences. If that doesn't do it, try downloading the latest version of iChat (2.1 Beta) from www.apple.com/ichat. "Dr. Trevor J. Hutley" <hutley at geneva-link.ch> writes: > Is this another update needed or a stability issue ? > > Now that I have installed 10.3.3, I am unable to launch iChat (no > Version shown, dated 12 August 2003) anymore. After one bounce in > the Dock, I get the Crash Report, the contents of which are appended.