Multi-Touch Trackpad Update 1.1 for Windows
This update improves the performance of the Apple Multi-Touch trackpad when running Microsoft Windows XP and Windows Vista on a Mac computer using Boot Camp.
For information on how to install this update, please visit this website: About the Multi-Touch Trackpad update 1.1 for Windows XP and Vista.
For more information about Boot Camp, please visit this website: http://www.apple.com/support/bootcamp.