Thanks oqwarrior for the heads up.
Windows Media Player 9 Series Beta Refresh (build 2800) now available
Released Sept. 24, 2002, the Windows Media Player 9 Series Beta Refresh addresses reported issues related to personal firewalls and surround sound speaker settings.
Note: This is a beta release of a Windows feature. In order to restore the original feature after updating Windows XP, you must use System Restore. Please check to ensure System Restore is turned on.