Windows Me build 2419

Windows Me build 2419 is the official Beta 2 release of Windows Me. This build includes new Control Panel applets, Internet Explorer 5.5, Windows Media Player 6.4, and MSN Internet Messaging.

Bugs
Windows Explorer can be prone to crashing in this build, making this build quite hard to use in some cases.

Neptune reference
Two files, namely  and , with the version number 5.50.5099.1 were found in this Millennium build, but it is unknown whether this Neptune build ever existed.

Some speculate this could be a late Milestone 1 or an early Milestone 2 build. Judging by the file dates, it would have been compiled before 1999-11-17.