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How do I manuallly download the latest version of Firefox on top of my current version?

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I have an iMac version 10.7.5. I'm currently running Firefox Version 14 and I keep getting prompts to allow automatic updating (currently to version 17). However, when the prompt says "connecting to the update server," it never connects. So my questions are: a.) Is there a way to correct this problem so that I can automatically update? b.) If not, how do I update manually (I've found the Mozilla site's explanations incomplete/confusing.) Can I just download the latest version and it'll configure to what I already have, or do I need to delete my current version and reinstall completely? And what will happen to my settings (e.g. bookmarks) if I update on top of my current version, or update by completely replacing the current version?

I have an iMac version 10.7.5. I'm currently running Firefox Version 14 and I keep getting prompts to allow automatic updating (currently to version 17). However, when the prompt says "connecting to the update server," it never connects. So my questions are: a.) Is there a way to correct this problem so that I can automatically update? b.) If not, how do I update manually (I've found the Mozilla site's explanations incomplete/confusing.) Can I just download the latest version and it'll configure to what I already have, or do I need to delete my current version and reinstall completely? And what will happen to my settings (e.g. bookmarks) if I update on top of my current version, or update by completely replacing the current version?

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If you download and install the New Firefox, it automatically upgrade your old Firefox to new, so that you won't loss any thing like saved passwords, bookmarks, history and etc.. http://mzl.la/LFolSf


If Firefox is not updating automatically, then check your firewall. http://mzl.la/MCscTj

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If there are problems with updating or with the permissions then easiest is to download the full version and trash the currently installed version to do a clean install of the new version.

Download a new copy of the Firefox program and save the disk image (dmg) file to the desktop

Your profile data is stored elsewhere in the Firefox Profile Folder, so you won't lose your bookmarks and other personal data if you uninstall and (re)install Firefox.