Currently Being ModeratedDec 30, 2012 1:35 AM (in response to watsongs)
Download verion 10 from here:
Uninstall iTunes, then install version 10.
At this stage it will not launch.
Next you will need to recover ther version 10 library file made when you upgraded, this link tells you how:
This should give you iTunes as it was at the time you upgraded