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Have failed four times to successfully download Firefox 6.0.2; what's wrong?

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I download Firefox 6.0.2 and the icon comes up to be moved into the application folder. I do and then you say I have an older version of Firefox open and ask if I want to replace it. I click yes, but nothing happens, I guess. I dump the Firefox icon from the dock, but still nothing happens.

I download Firefox 6.0.2 and the icon comes up to be moved into the application folder. I do and then you say I have an older version of Firefox open and ask if I want to replace it. I click yes, but nothing happens, I guess. I dump the Firefox icon from the dock, but still nothing happens.

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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 DMG file to the desktop

  • Trash the current Firefox application to do a clean (re-)install
  • Install the new version that you have downloaded

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

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Pardon my ignorance. What is the DMG file?

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The .dmg file is the disk image file that has the Firefox installer in it.
On Mac Firefox comes as such a DMG file.

Open the DMG file and drag the Firefox program to the application folder on your hard drive.
You shouldn't double-click the Firefox application to run it from the disk image, but drag it out of the DMG folder instead.