Download/install does not work .dmg just disappears
went through the download and install process. Firefox 56.0.dmg icon shows up on my desktop. Nothing else. I double click the icon and nothing happens. Macbook Pro running OS 10.12.6 Using Safari Browser 11
Solution choisie
I am not that familiar with Mac OS but I do know some on older systems are moving to the Extended Release version https://www.mozilla.org/en-US/firefox/organizations/all/
Please let us know if this solved your issue or if need further assistance.
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Uninstall FF after saving bookmarks/passwords/profile and delete all left overs in C:\ in all FOLDER NAMES Clean your computer cache/temp files and then try install with the full installer https://www.mozilla.org/en-US/firefox/all/
Please let us know if this solved your issue or if need further assistance.
I had already uninstalled FF. FF is not on may computer. Reinstalling per your instructions still does not work.
Solution choisie
I am not that familiar with Mac OS but I do know some on older systems are moving to the Extended Release version https://www.mozilla.org/en-US/firefox/organizations/all/
Please let us know if this solved your issue or if need further assistance.