Windows Longhorn/6.0.4093.main.040819-1215

Windows "Longhorn" build 4093, with a build tag of 4093.main.040819-1215, is the last winmain compile of the original "Longhorn" line (based on the Server 2003 RC1 code-base) before development was reset. It was leaked on August 28, 2006, shortly after the closure of OSBetaArchive, and was labeled a farewell release.

This build is highly unstable.

Features

 * M8 wallpaper: "Tree, The Four Seasons In Spring" by Andre Gallant
 * Avalon-based Windows Movie Maker in \Program Files\Movie Maker 3\, with some XAML templates
 * Avalon-based control panel applets
 * Display Properties in \WINDOWS\SYSTEM32\LHDesk.exe, similar to the one in 3683.Lab06_N.020923-1821
 * Power Settings in \WINDOWS\SYSTEM32\PowerCpl.exe
 * Speech Recognition and Text to Speech in the Sounds, Speech and Audio Devices section in the Control Panel
 * Sound and Audio Devices Properties, accessed by clicking the blue speaker icon in the taskbar
 * Wireless Presentation
 * Sidebar
 * Media Player tile, similar to the one in build 4066
 * Volume tile
 * Aero-style Sidebar and Taskbar from Windows Longhorn/6.0.4074.idx02.040425-1535, and may be activated in the same manner
 * Aero theme, accessible by copying the Aero theme files from 4074
 * MXplayer, Windows Media Player . The player recognized  but not   files. Clicking "Switch to Sidebar Player" causes the Media Player tile to appear on the Sidebar.
 * MXOptions, a drag-and-drop XML reader
 * Windows Security, precursor to User Account Control
 * WinFS
 * Activation Wizard, which may be opened through the Command Prompt: Navigate to the folder \Windows\Microsoft.NET\Windows\v6.0.4030 by using the "CD" command, then type LicenseUI.exe -type=w -dlg=x (replace x with: 2 to show the Enter Product Key step, 6 to show the Online Purchase step, or 3 to show the Phone Activation step) Other codes from hounsell are available at.
 * Last build to boot without ACPI
 * Visual styles: Slate and Jade

Bugs

 * Games Library - may be fixed by copying the mygames.inf file from build 4074 and by installing it from the right click context menu. Wihtou the fix, games executables (such as sol.exe) works and are still present in the System32 folder.
 * Computer - The CD-ROM and Floppy drives are shown as "Local Disks" in Computer.
 * Outlook Express and Communication History seem to be broken.
 * Application links - The Start Menu is almost empty. Programs such as calc.exe and mspaint.exe may still be run by executing them from the "Run" dialog box.

CD Burn Wizard
BetaArchive user Lukas Marsik used build 4093 to demonstrate the CD Burn Wizard contained in the build 4085 Explorer demo files shared by BetaArchive user ReflectiaX:

The CD Burn Wizard uses the listmaker shown in the Longhorn Days concepts, and later used in Microsoft Max.