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mosilla firefox doesn,t open. tried to install the new ff and it said I must turn off the FF running. help!!

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  • آخر ردّ كتبه WestEnd

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I received a message that my sbcglobal account needed up dating. Asked to change password...did. I still can't get on using firefox

tried to install the new FireF but it said that it couldn't in I stopped running the current FF.  I don't know how.
I received a message that my sbcglobal account needed up dating. Asked to change password...did. I still can't get on using firefox tried to install the new FireF but it said that it couldn't in I stopped running the current FF. I don't know how.

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Did you remove all previous FF and delete the Mozilla folder before installing a new FF?