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Firefox downgrade

I accidentally updated my Firefox and cannot open it now. I am on a Mac operating system 10.10.5. And I can't upgrade my OS because of work. What version of Firefox do I … (மேலும் படிக்க)

I accidentally updated my Firefox and cannot open it now. I am on a Mac operating system 10.10.5. And I can't upgrade my OS because of work. What version of Firefox do I need?

Asked by rvargas1325 1 வருடத்திற்கு முன்பு

Last reply by jscher2000 - Support Volunteer 1 வருடத்திற்கு முன்பு