Windows Longhorn build 4029 (main)

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Build of Windows Longhorn
OS family
Timebomb2003-12-17 (+181 days)
Works in
Preinstallation Environment
Home Edition
TCB.png TCBGallery.png

Windows Longhorn build 4029 is a Milestone 5 build of the Microsoft Windows "Longhorn" operating system, leaked sometime in September 2003. This build is notable for the distinctive Pig Latin build string. This was a test of automatic data entry that would become commonplace in later builds and eventually, Vista. A Home Edition of this build supposedly exists[1], but remains unleaked to this day.

New features and changes[edit | edit source]

  • The setup interface has been updated, and notably the Windows logo is removed during the setup. The computer also restarts a second time after the hardware portion of setup.
  • This build uses an entirely new login interface. This new login screen features a glass version of the Windows logo folding down to the center of the screen and then showing any login messages while doing so. It also requires Ctrl+Alt+Del to be entered anytime the system is logged out and at startup if automatic logon is not enabled. The user account screen still resembles that of build 4015 and 4020.
  • Major updates and improvements to the Windows Explorer shell have been implemented. These new Explorer features include a new toolbar with bigger buttons, larger file previews while hovering with the mouse cursor, column level filters and batch processing of images, which allows multiple images to be rotated simultaneously.
  • The analog clock interface has been updated, removing the Longhorn symbol on the clock. However, the old clock still appears if the user upgraded from an older build.
  • Outlook Express has been updated and gained a new icon. This version of Outlook relies on WinFS, so it crashes on startup if WinFS is disabled.
  • Windows Messenger has been updated to version 5.0.
  • Parental Controls has gained an update to now allow audit logging on limited users. However, it is incomplete and trying to view logs result in an "Access is denied" error.
  • Ctrl+Alt+Del now opens a security interface instead of Task Manager. This allows the user to log off, shutdown the computer, and open Task Manager automatically.
  • Additional view settings are included, such as Carousel and Panorama. However, only the Carousel view is accessible (in the Hardware and Devices) without registry modification.

Pig Latin strings[edit | edit source]

This build was among the first to use the Pig Latin string, onghornLay rofessionalPay, in the desktop version string, which caused some to doubt its authenticity; however, this was part of the testing Microsoft had done to propagate the product name and version number throughout the operating system, in order to dramatically simplify the naming process.[2] In previous versions of Windows, changing the product name or version number was a difficult task which required manually editing information in many areas of the user interface.[3]

Bugs and quirks[edit | edit source]

  • Many drivers aren't installed by default during the hardware portion of setup and have to be installed manually.
  • Most system sounds don't work as they are pointed to the Windows directory instead of the Windows/media directory. Even if the registry entry is modified to point to the Media directory, the sounds often don't work for unknown reasons.
  • The desktop watermark isn't in bold in a clean installation due to the Pig Latin change. Upgrading from a previous build will utilize the Pig Latin buildtag in bold.

Funny finds[edit | edit source]

The resource REGINST in %windir%\Microsoft.NET\Avalon\ShellInterop.dll has a few funny comments:

; !!!!!!!!!!!!!!!!!!!!

; despite all the crap in here, NONE OF THIS GETS CALLED, EVER!!!
; apparently its here because devs like to manually register shellinterop.
; eventually when shellinterop does get registered, we'll go here.

;; NOTE: The following are currently replicated in shell32\selfreg.inx b'cos setup cannot regsvr ShellInterop.dll yet.
;; TODO: Need to make this more targetted to exclude audio/video types that WMP can't handle.

Gallery[edit | edit source]

References[edit | edit source]