Fluffy as regards your 2 browsers windows see Tzuks post in this thread for a fix, I'm using that 7a build myself to cure this. Just install over the top of 3.45.07. It stopped the issue straight away with no side effects for me.
Hazelnut..Thankyou for finding that link..I had been looking on the forum, like you cc1, see if there was a related post but you found it... Sherlock Hazelnut !!
I`ve done the download and it has stopped the duplication of browser window
thanks for the help
thought for the day..one day windows 7 will be XP.....