Internet Explorer Blocker Toolkit is a tool that will prevent machines from receiving Internet Explorer as a high-priority update via Automatic Updates, Windows Update and Microsoft Update sites.
This software is genuine Microsoft and not a third party source.
http://majorgeeks.com/Microsoft_Toolkit_to_Disable_Automatic_Delivery_of_Internet_Explorer__d6805.html
Why would you like to block IE9? It seems to be by far a better browser then IE8....
Well I don't know, sound funny to me.
I'm all for upgrading to a better, safer browser from Microsoft. I look forward to IE9.
This is for those who prefer to not have it load automatically with other updates.
btw: Service Pack 1 for Windows 7 is scheduled to be released on 22 Feb 2011.