Head on over to the windowsupdate site for these updates. EJ -------------8<----------- 810565: Critical Update This update contains several fixes to Windows components to better support default Web browsers other than Internet Explorer, as described in Microsoft Knowledge Base (KB) Article 810565. Download now to improve the interaction of certain Windows components with default web browsers other than Internet Explorer. For more information about this issue, read Microsoft KB Article: 810565. (This site may be in English.) System Requirements This update applies to the following operating systems: Windows XP Home Edition with Service Pack 1 Windows XP Professional with Service Pack 1 Windows XP 64-bit Edition with Service Pack 1 -------------------->8--------------- Q329390: Security Update An identified security vulnerability in Windows XP could enable an attacker to compromise a user's Windows-based computer and gain complete control over it, if the user visited the attacker's web site or took other, less likely, actions. You can help protect your computer from this and other identified security concerns by installing this update. System Requirements This update applies to Windows XP.