Windows Longhorn build 4039 (Lab06 n.030827-1717)

Windows Longhorn build 4039 (with a build tag of 4039.Lab06_n.030827-1717) is the official WinHEC 2003 build of Windows Longhorn, which was leaked on 22 August 2007.

Setup
Setup is mostly similar to the earlier compilation of this build.

New features and changes

 * A prototype of the Phodeo feature is included in this build.
 * A new Communication History shell folder is also implemented.

Bugs

 * For all its instabilities, although this build's Desktop Composition Engine can show the Aero borders, it tends to be extremely buggy easily after a while.

Installation
Some copies of this build's installation media cannot be booted normally due to a call to a non-existent index in the  by. To install this build in this case, either upgrade from a previous build or use a WinPE from a previous build.