Windows Longhorn build 4031 (Lab06 n)

Windows Longhorn build 4031 (Lab06_n) is a Milestone 6 build of Windows Longhorn. On 2020-01-23, 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 2020-02-01, alongside the main lab compile of 4085, the x86 version of 4083, the main lab compile of this build, its Lab07 Server counterpart and build 5520.