When you try to update a Microsoft Windows-based computer by using any of the following Microsoft tools, you may receive error code 0x80070002: • The Windows Update Web site • The Microsoft Update Web site • The Inventory Tool for Microsoft Updates (ITMU) for Microsoft Systems Management Server (SMS) 2003 • Software Update Services (SUS) 1.0 • Windows Server Update Services (WSUS) 2.0

The following page lists possible resolutions for Windows XP, 2000, and Server 2003:

http://support.microsoft.com/?kbid=922582&SD=tech