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firefox download will not complete update

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when I click on any new version of firefox to download it takes forever (Ive checked days later and it's still downloading) and it never completes the download. Therefore I have refused to update to latest version for fear its never going to end.

when I click on any new version of firefox to download it takes forever (Ive checked days later and it's still downloading) and it never completes the download. Therefore I have refused to update to latest version for fear its never going to end.

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If there are problems with updating or with the permissions then best 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 application and save the disk image file to the desktop

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

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Uninstall present firefox use anoter browser install new firefox install