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. For all its instabilities, the Desktop Composition Engine is known to work in this build and can even render the Windows Aero transparency, although it is extremely buggy.

New features and changes

 * The Plex theme has been updated, and Explorer windows have somewhat been updated, despite being unstable as a result.
 * The time zone is listed on the clock tile in the Windows Sidebar.
 * A prototype of the Phodeo feature is included in this build.
 * A new Communication History shell folder is also implemented.

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.