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I have a Mac osx 10.5.8 I HAD a Firefox browser but got sucked in by an update offer and now I have no Firefox browser and cannot get it back. Please advise.

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I have a Mac osx 10.5.8 I HAD a Firefox browser but got sucked in by an update offer and now I have no Firefox browser and cannot get it back. Please advise.

I have a mac powerbook G4 OSX 10.5.8 I USED to have a Firefox browser, but I got sucked in by an invitation to update, didn't realize that the circle with a line through it meant, "don't try to put this in your computer" but it must mean something like that because even tho I later tried to load a different update for a Firefox browser that said for mac osx10.5 or later, and that came up with a circle with a line through it too. How do I find the Firefox version that is compatible with my laptop? The old one was working just fine until I tried the update!!! Please advise.

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Re: I have a Mac osx 10.5.8 I HAD a Firefox browser but got sucked in by an update offer and now I have no Firefox browser and cannot get it back. Please advise.

Firefox 4 and later require at least OS X 10.5 and a Mac with an Intel processor.

You can find the Firefox 3.6.28 version for your OS here:


For an unofficial Firefox 10.0.11 ESR compatible version (TenFourFox) that runs on PowerPC Macs with OS X 10.4.11 or OS X 10.5.8 you can look at:

Plugins are no longer supported by TenFourFox.

New Contributor

Re: I have a Mac osx 10.5.8 I HAD a Firefox browser but got sucked in by an update offer and now I have no Firefox browser and cannot get it back. Please advise.

"You can find the Firefox 3.6.28 version for your OS here: Firefox 3.6.28: http://www.mozilla.org/en-US/firefox/all-older.html"

I tried going to this link, but it sends me to a page that says I don't meet the system requirements. Is there another link or can you tell me which folder in the FTP I should download from?

Site Moderator

Re: I have a Mac osx 10.5.8 I HAD a Firefox browser but got sucked in by an update offer and now I have no Firefox browser and cannot get it back. Please advise.

The all-older.html page used to still link to the latest Firefox 3.6.* release a month ago.

bmariew, you have not stated what OS and since this thread was started by a PPC Mac user, so assuming you are a Mac user.

Pick your language. ftp://ftp.mozilla.org/pub/firefox/releases/latest-3.6/mac/

If en-US then see ftp://ftp.mozilla.org/pub/firefox/releases/latest-3.6/mac/en-US/Firefox%203.6.28.dmg

Note that Firefox 3.6 is EOL (End Of Life) as the last security update for it was 3.6.28 back in March.

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Re: I have a Mac osx 10.5.8 I HAD a Firefox browser but got sucked in by an update offer and now I have no Firefox browser and cannot get it back. Please advise.

New Contributor

Re: I have a Mac osx 10.5.8 I HAD a Firefox browser but got sucked in by an update offer and now I have no Firefox browser and cannot get it back. Please advise.

I have the same mac that the original post was about, mac powerbook G4 OSX 10.5.8. I don't remember what Firefox I was running as the upgrade replaced it. I have 17 now, but it won't run.

Site Moderator

Re: I have a Mac osx 10.5.8 I HAD a Firefox browser but got sucked in by an update offer and now I have no Firefox browser and cannot get it back. Please advise.

New Contributor

Re: I have a Mac osx 10.5.8 I HAD a Firefox browser but got sucked in by an update offer and now I have no Firefox browser and cannot get it back. Please advise.

@missh you could download Firefox version15 which is compatible with 10.5.8

Here is a link: ftp://ftp.mozilla.org/pub/firefox/releases/15.0.1/

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edit: replaced link as random unofficial download sites like oldapps is not needed.
Site Moderator

Re: I have a Mac osx 10.5.8 I HAD a Firefox browser but got sucked in by an update offer and now I have no Firefox browser and cannot get it back. Please advise.

You need an Intel Mac to run newer versions of Firefox. Mac OS X 10.5 on a PowerPC processor (PPC) can only run Firefox 3.6. See Firefox no longer works with Mac OS X 10.4 or PowerPC processors

There's currently a download link for Firefox 3.6 in the Install an older version of Firefox article. Here's the link for Mac OS:

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Re: I have a Mac osx 10.5.8 I HAD a Firefox browser but got sucked in by an update offer and now I have no Firefox browser and cannot get it back. Please advise.

P.S. For Mac OS X 10.5 users with an Intel Mac, the latest version of Firefox that will work is Firefox 16. Link: Firefox 16 (US English)

Related article: Firefox no longer works with Mac OS X 10.5