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new computer - trying to open firefox - says I have to install Rosetta. ??? what is that and why? never had to on other computers

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new computer - trying to open firefox - says I have to install Rosetta.  ??? what is that and why? never had to on other computers

new computer - trying to open firefox - says I have to install Rosetta. ??? what is that and why? never had to on other computers

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Are you installing from Mozilla's site? How to download and install Firefox on Mac

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thank you for responding. My MacBook air came with firefox already installed. When I click on it, I get the box saying I have to install Rosetta. I don't understand this. thanks again

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Sorry, as a Windows person, I have no idea what Rosetta is for. You could try removing that Firefox and reinstalling a normal version of Firefox in case that's a customized one.

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thanks. I'll give that a try