File:Longhorn 3663 (3).png

The autorun dialog has already been changed in Longhorn 3663 to the one seen in later Milestone 3 and Milestone 4 builds, featuring brown shades and a new Longhorn logo which replaces the old Windows logo, and the text is bold and black in color and the title already says "Welcome to Microsoft? Codename Longhorn". The question mark is likely the registered sign ®, based on later builds such as 3683.