Windows Longhorn build 4008

Build of Windows Longhorn
OS familyWindows NT
Version number6.0
Build number4008
Build labmain
Compiled on2003-02-19
Expiration date
Timebomb2004-02-15 (+361 days)
Product key
About dialog
LH4008 Winver.png
TCB.png TCBGallery.png BA.png

Windows Longhorn build 4008 is a Milestone 4 build of Windows Longhorn, which was shared online on 28 February 2003 by the group -NoWiNBETA[1][2][3]

It is the last build of Longhorn to identify itself as its predecessor on the boot screen.

NFO file[edit | edit source]

NFO contents[4]

|                   Microsoft Longhorn Build 4008 (Build 22/2/2003)                 |
|         - Source: M$ Internal                         - Type: OS                  |
|         - Packaged By: Who carez ?                    - Image Format: iso         |
|         - Files: Longhorn_Build_4008-NoWiNBETA.rxx    - Protection: WPA           |
|         - Number of CD's: 1                           - Date: 2\27\03             |
|         - Hardware Requirements: 233mhz, 128mb ram, 1.5gb HD space                |
|                								    |
|   WPA - Use Product Key from Windows Server 2003 ... it's da same !!!		    |
|										    |
|   Oh yes ... for the real WiNBETA guys -> XP Service Pack 2 is REAL !		    | 
|										    |
| After the long, long ago release from September last year, here's a fresh one !!! |
|              Little by little, We give you everyting you ever dreamed of...       |

                            Contact us at

Setup[edit | edit source]

The setup experience is overall similar to the one featured in build 4005.

New features and changes[edit | edit source]

  • This build updated the Plex theme to be more reminiscent of the Luna theme.
  • This build also had many updates made in the folder windows. For example, the My Documents details background color has changed from blue to tan.
  • The Plex theme has received major overhauls, including different gradients for the title bars and revamped buttons.
  • The bug where Luna is referred to as Plex in the display properties has been fixed in this build.
  • Despite not being compiled in evaluation mode, it can boot on the current date.

Parental Controls[edit | edit source]

This is the first build to include Parental Controls, which can be used to limit the hours that can be used on the computer and monitor the use of internet programs. Only limiting hours that a user can use the computer has been implemented.

The Administrator account can set a limit to any limited user account, including the Guest account. When it is set, the limited user account with the restriction can only use the computer for the specified times the Administrator set. When the time the person can use the computer is past, it automatically performs a "Switch User" operation. Any attempt to log in at a disallowed time will result in a "wrong password" message if the user had a password, regardless of whether the user entered the correct password or not. If that user doesn't have a password, then it will place a password on that account until the user is allowed to log in again.

Hidden Sidebar tiles[edit | edit source]

A few Sidebar tiles are disabled by default in this build. These are:

  • RMA Test Tile - It is just a stretched version of the "Longhorn" clock .png file.
  • Longhorn Status - Links to an intranet link at Microsoft.
  • Internet Webcam - Links to a live image of a Redmond, Washington, USA freeway, similar to the Traffic ticket from Sideshow, a prototype of Sidebar from Microsoft Research.
  • Media Player - Non-functional. Windows Explorer will crash if the user tries to open a file.

A registry patch was made available by AlphaAddict that enabled the aforementioned tiles in 2006, but the download link no longer works. On 27 March 2020, it was discovered that it is possible to enable them by merging a registry (.REG) file with the following content:

 Windows Registry Editor Version 5.00
 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartBar\Modules\Longhorn Status]
 "Friendly Name"="Longhorn Status"
 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartBar\Modules\RMA Test Tile]
 "Friendly Name"="RMA Test"
 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartBar\Modules\Internet WebCam]
 "Friendly Name"="Internet WebCam"
 "Friendly Name"="Windows Media Player"

Windows Explorer (explorer.exe) must be restarted after applying the registry file.

  • Messenger Status Tile - This tile only works with Windows Messenger. MSN Messenger can't be used with this tile. Also, Windows Messenger version 4.6 or 4.7 is required for it to function correctly. In order to activate this tile, apply a registry file with the following content:
 Windows Registry Editor Version 5.00
 "Friendly Name"="Messenger Status"

Bugs and quirks[edit | edit source]

Installation[edit | edit source]

  • Unpartitioned drives cannot be selected for installation in the setup. To setup from a hard drive without any partitions, select the disk that Windows will be installed on.
  • If there is an existing partition, the partitioning section of setup will throw out an assertion error.
  • Many drivers aren't installed by default during the hardware portion of setup and have to be installed manually.
  • On older CPUs, the OOBE will throw out Avalon errors upon loading. To get past this, press Ctrl+Alt+Del to load Task Manager and kill the process msoobe.exe.

Upgrade[edit | edit source]

Upgrading from build 4002 or build 4005 results in the theme service failing to launch with Error 127: The specified procedure could not be found. It is not possible to fix without reinstalling.

Desktop Compositing Engine[edit | edit source]

The Desktop Compositing Engine is heavily broken in this build, so the animations and window transparency cannot be enabled.

Arial[edit | edit source]

The Luna theme uses the Arial font in most places rather than Trebuchet MS on the title bars and Tahoma in most other places. This quirk was later fixed in build 4029 (main).

Gallery[edit | edit source]

External links[edit | edit source]

References[edit | edit source]