Windows Longhorn build 4011

Windows Longhorn build 4011 is a Milestone 4 build of Windows Longhorn. This build is not much different from build 4008, although by this point, virtually all references to Windows XP have been removed.

New features

 * The Windows XP boot screen has been replaced with a new Longhorn boot screen, removing the final few references to Windows XP.
 * The Sidebar has gained some updates. These updates includes some new tiles (such as Windows Media Player and Synchronize), the new Taskbar including the current time, and a new settings applet for the Sidebar.
 * Parental Controls has a completely new icon.
 * The Desktop Composition Engine now works again, in build 4008 it was broken. However, it only provides transparency effects now.

NFO
Build 4011 was leaked with the following NFO. NFO contents 

Bugs and quirks

 * Icons that are selected by the mouse or keyboard becomes more pixelated.
 * Many drivers aren't installed by default during the hardware portion of setup and has to be installed manually.
 * The OOBE is broken unlike the previous builds and closes after the first page.
 * Windows Storage Engine crashes often on startup.

Installation
There have been several different disc images for this build available online over the years. The copy of this build that is widely available has a corrupt, and as such, will not install properly under any circumstance. The copy currently on BetaArchive can install properly, but has assert errors when attempting to clean install due to the WinPE (Windows Preinstallation Environment) being partially corrupted.

To fix the assert errors, use the installation media from build 4008 and replace the  from the installation media to the one from this build. Alternatively, the user can upgrade from a previous build as well.