After applying the hotfix referenced in KB article 828026, some URL script commands do not fire even though they would be expected to do so. In addition to the URL script command issues, this package addresses an issue with the installer that would cause 100% CPU utilization in certain scenarios.

Windows Media Player (All Versions) for Windows 2000, Windows XP, and Windows Server 2003 (KB832353)

A Big Thanks to TweakHound