Extract . . .
Microsoft has announced that starting in January 2012 Internet Explorer will, like Chrome, Firefox and Opera, no longer pester you with update notices. Instead Internet Explorer will automatically download and install updates in the background. The new auto-update feature will only apply to users who’ve opted into the automatic updates through Windows Update. Those that have opted in will be upgraded to the latest version of IE available for their system
Read more here:
http://www.wired.co.uk/news/archive/2011-12/16/automatic-update-kills-ie6