It won't load up. I hardly ever use it. I LOVE Safari and always use Safari. But today it troubled me when this internet app would not open. Do I have to do something with my preferences file?
Well, you could try trashing ~/Library/Preferences/org.mozilla.firefox.plist. (~ is shorthand for your user home folder.)
I hated it from day one!
Unfortunately, I can't run that version. I am limited to 10.3.9