The software for Quicktime 3 is not compatible with this version of Microsoft Windows. It is recommended that you upgrade to Quicktime 4 before upgrading to Windows XP. For more information about this software, or to upgrade to Quicktime 4, visit the manufacturer's Web site. For a list of software supported by this version of Microsoft Windows, see the Microsoft Windows XP Compatibility List at http://www.microsoft.com/isapi/redir.dll?prd=whistler&ar=help&sba=compatible.