http://blogs.msdn.com/e7/archive/20...-on-or-off.aspx

應該是預設自動安裝
但你可以取消勾選. 甚至事後再移除

受影響的(目前RC版本)
=Windows Media Player
=Windows Media Center
=Windows DVD Maker
=Internet Explorer 8
=Windows Search
=Handwriting Recognition (through the Tablet PC Components option)
=Windows Gadget Platform
=Fax and Scan
=XPS Viewer and Services (including the Virtual Print Driver)