Windows Longhorn build 4042 (main)

Windows Longhorn build 4042 (main) is a build of the Windows Longhorn operating system. This build was compiled four days before the Lab06_n compile, and as such, is technically a Milestone 6 build. Prior to its leak, UX.Unleaked had a post with three images from this build. Later on 2020-01-23, this build was listed on a thread by the blog's founder Grabberslasher to be released to the BetaArchive FTP, and was released in the twelfth and final set of his 33 Longhorn/Vista builds on 2020-02-04 along with build 4082, build 4087 and build 5492.

Setup
Setup is mostly similar to previous builds of Longhorn.

Changes

 * The Windows Media Player tile now fully functions, however CPU usage will increase dramatically upon using it.