The Help and Support Center does not run when the Data Execution Protection feature is turned on in Windows XP Service Pack 2
http://support.microsoft.com/default...b;en-us;873158


You cannot open Help and Support Center in Windows XP
http://support.microsoft.com/default...b;en-us;888018


Help and Support Center may stop responding in Windows XP or in Windows Server 2003
http://support.microsoft.com/default...b;en-us;883544