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Firefox will not open when I click on the icon (OS X).

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Firefox worked perfectly until I installed the most recent update. After I installed the update Firefox refused to open. When I click on the icon it begins to open but I never see the window and it closes within 3 seconds and I never even get an error message. Help!!!

Operating system

OS X

Firefox worked perfectly until I installed the most recent update. After I installed the update Firefox refused to open. When I click on the icon it begins to open but I never see the window and it closes within 3 seconds and I never even get an error message. Help!!! == Operating system == OS X