There is nothing in OS 10.4 that would block your download of Firefox. Can you download anything? If you can, can you find it afterwards?
Do you get any error messages? Does the download manager in IE and Safari indicate that the file was downloaded?
Do you have a PopUp blocker running on your browsers? This sometimes prevents the browser from going to the actual download page.
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For some reason, I'm unable to download Firefox v1.5 from its Mozilla/Firefox web site or at least a couple others with same software available for download. It's as though my current Firefox, Safari, and IE prevent its downloading. Could it be caused by internal blocking software in Mac OS 10.4, any of these browsers, or through my Netgear WIFI server?

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