Windows Longhorn build 4031 (main)

Build of Windows Longhorn
OS familyWindows NT
Version number6.0
Build number4031
Build labmain
Compiled on2003-07-03
Expiration date
Timebomb2003-12-30 (+180 days)
Product key
About dialog
4031.main winver.png

Windows Longhorn build 4031 (main) is a Milestone 5 build of Windows Longhorn. On 23 January 2020, this build was listed on a thread by UX.Unleaked blog founder Grabberslasher to be released to the BetaArchive FTP, and was later released in the ninth set of his 33 Longhorn/Vista builds on 1 February 2020, alongside the main lab compile of 4085, the x86 version of 4083, the Lab06_n compile of this build, its Lab07 Server counterpart and build 5520. This build is currently the latest available Milestone 5 build and therefore still uses the wallpaper from the aforementioned milestone.

Setup[edit | edit source]

Setup is practically similar to previous Milestone 5 builds.

Bugs and quirks[edit | edit source]

Upon logging in, the error message "The system has recovered from a serious error" will appear. This is because the computer that the WIM has been imaged from bugchecked with the code 0x1000008e (KERNEL_MODE_EXCEPTION_NOT_HANDLED_M) caused by ataport.sys, and the crash has not been cleared since the computer has not booted since before the WIM was imaged.

Gallery[edit | edit source]