So you have some old sites that you frequently use, and some of them work better with Flash Player 9, or in my instance use an uploader that has not been rewritten for Flash Player 10. You only need it now and then - what do you do? Can you have both? Yes you can and here is how I did it. Everyone is different, so to commence with I have a MacPro running 10.6.1 - you could be on 10.5 on a MacBook - shouldnt...