I too have problems now with FFox. I dont have the 4 but the last update before downloaded onto my laptop whilst I was away and I normally cancel them. Now FFox wont remember my last tabs when it first starts in the day. I had this problem before and had to go back to an older version.
They are a damn pain, all competing with each other trying to outdo the other browsers and get their updates downloaded first and then never getting it or the older ones faults right first. Theres always problems!!
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