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

Windows Longhorn build 4039 (with a build tag of 4039.Lab06_n.030827-1717) is a Milestone 6 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.