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I need help getting upgraded to a newer firefox version - details to follow.

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I am on an iMac, running 10.5.8 (yes I know I need to upgrade).

I am still running firefox 3.6 because I have been having problems upgrading.

I have on several different occasions tried to upgrade, each time new one acts like it will be fine, but - some of the times my bookmarks don't come over (I would very much like them to), and all of the time the new version eventually disappears from my desktop, leaving only the 3.6 version accessible.

I have not yet tried to uninstall 3.6 first, as I said, I am hoping to save my bookmarks.

I am on an iMac, running 10.5.8 (yes I know I need to upgrade). I am still running firefox 3.6 because I have been having problems upgrading. I have on several different occasions tried to upgrade, each time new one acts like it will be fine, but - some of the times my bookmarks don't come over (I would very much like them to), and all of the time the new version eventually disappears from my desktop, leaving only the 3.6 version accessible. I have not yet tried to uninstall 3.6 first, as I said, I am hoping to save my bookmarks.

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Profile is a folder which store all your personal data in a safe place

Here explain how to backup profile

Here explain how to restore it

please follow this instruction to Install Firefox on your Mac

the Latest version of Firefox can be found here