After YOU download Firefox 4.0, I get a message 'the system does not support' and nothing happens. My old Firefox has been replaced by one that does not.

Asked by Firefox to download Firefox 4.0 for OSX I did. It replaced my old Firefox which worked well. When I try to open it, I get a window "cannot be started" Firefox and nothing more happens. I've tried to redownload 3.616 Firefox, but to open it, I get the message 'Choose application' and I don't know which app to use.

You can get an unofficial version of Firefox 4, which runs on Mac OS X 10.4 from http://www.floodgap.com/software/tenfourfox/

Or you can re - download Firefox 3.6 since http://www.mozilla.com/en-US/firefox/all-older.html

Tags: Firefox

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