256986 Description of the Microsoft Windows Registry
811113 List of fixes included in Windows XP Service Pack 2
838079 Windows XP Service Pack 2 Support Tools
838080 Windows XP Service Pack 2 Deployment Tools
837783 The hard disk space requirements for Windows XP Service Pack 2
873153 Your screen reader software may not function if you install Windows XP Service Pack 2 by using OOBE
883609 "This Service Pack requires the machine to be on AC Power before setup starts" error message when you install Windows XP Service Pack 2
883607 Web server functionality may not work correctly after you install Windows XP Service Pack 2
878461 Pictures do not appear as expected, or you receive an error message when you open an HTML file on a Windows XP Service Pack 2-based computer
883613 Outlook Express automatically downloads external content when you reply to a message or forward a message on a Windows XP Service Pack 2-based computer
883606 Messages in Microsoft Outlook are not sent immediately in Windows XP Service Pack 2
878451 How to turn on the Remote Desktop Sharing feature of Windows NetMeeting in Windows XP Service Pack 2
883605 New features of the Scheduled Tasks Control Panel item that are included in Windows XP Service Pack 2
838080 Windows XP Service Pack 2 Deployment Tools
883608 You receive an error message when you add a reference to a COM object in Visual Studio .NET after you install Windows XP Service Pack 2
837783 The hard disk space requirements for Windows XP Service Pack 2
883603 Windows Movie Maker 2.1 is installed on your computer when you install Windows XP Service Pack 2
883611 You have to specify certain Group Policy settings before you can remotely administer Resultant Set of Policy (RSoP) or remotely edit local Group Policy objects in Windows XP Service Pack 2
842933 You receive the error "String is too long", if you try to open a Group Policy object from a computer running Microsoft Windows 2000
872769 You cannot configure Windows Firewall settings on a Windows XP Service Pack 2-based client computer that is in a Windows Small Business Server 2003-based network
http://www.microsoft.com/technet/prodtechnol/winxppro/maintain/sp2chngs.mspx