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Firefox.app keeps disappearing from macOS X Sierra

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edmonan
edmonan
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Since upgrading to Firefox 50.0.2, Firefox.app keeps disappearing from the Application folder. If open, the browser still works, but the icon in the dock turns into a question mark. If not open I have to re-install the app to get it to work.

Since upgrading to Firefox 50.0.2, Firefox.app keeps disappearing from the Application folder. If open, the browser still works, but the icon in the dock turns into a question mark. If not open I have to re-install the app to get it to work.