cannot open firefox
Keep getting error message that "cannot open firefox because a copy if already open. Only one copy can be open at a time." And there is NO firefox app open. I tried d… (閱讀更多)
Keep getting error message that "cannot open firefox because a copy if already open. Only one copy can be open at a time." And there is NO firefox app open. I tried deleting the app and re downloading/installing again, but that didn't work.
Help and suggestions please?