Joel,
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Only thing I can think of at this stage is reinstalling the OS!
No, you don't need to do that!! What's missing (and we forgot to put it in the instructions) is that you need Fink's g77 installed as well as the new version of perl/Tk and the "developers disk", including the X11 libraries -- I hear these are labelled differently for 10.4, and that installing XCode might be the best approach. For Fink, see http://fink.sourceforge.net/. Using Fink is not always easy (and requires root access, which for most Mac users means using 'sudo'). There are reasonable instructions for Fink, and FinkCommander is a very nice front end to use. I'm pretty sure you won't need anything besides g77 from Fink. It should be that after installing Fink you can open a Terminal and do: ~> . /sw/bin/init.sh ~> sudo apt-get -f install g77 Sorry for the confusion, --Matt