MS have just produced a huge critical update for win2k: Update Rollup 1 for Windows 2000 SP4 was released June 28, 2005. This update rollup contains a list of security-related updates produced for Windows 2000 between the release of Windows 2000 SP4 and April 30, 2005. April 30, 2005 is the date when the contents for Update Rollup 1 were locked down for final testing by Microsoft, external beta testing sites, and customer sites. Additionally, this update rollup contains several important non-security updates. This article contains detailed information about this update rollup, answers frequently asked questions about this update rollup, and lists the fixes that are included in this update rollup.