Since last update from mozilla, its always logging me out of my firefox account and bringing up an old firefox account instead, which has not been used on this pc or other devices with firefox account and have removed old one many times from your list but after a couple of days its back - how is this possible when I have never used old details on here or login on any device. Please resolve this issue as I do recommend your browser to many ppl and at the moment too many ppl are reverting to chrome etc due to this issue.