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Recent update on Mac Desktop

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I just updated Firefox on my Mac. Subsequently when I tried to restart Firefox the OS thinks a copy is already running in a display and closes startup request down. I am unable to use Firefox at all at the moment. Can this be fixed? Cheers John Spitzer

I just updated Firefox on my Mac. Subsequently when I tried to restart Firefox the OS thinks a copy is already running in a display and closes startup request down. I am unable to use Firefox at all at the moment. Can this be fixed? Cheers John Spitzer

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