The software for Toshiba Mouse Control is not compatible with Microsoft Windows XP and and will be disabled during the upgrade. It is recommended that you uninstall this software before continuing with the upgrade. For more information about this software, or to obtain a version that runs under Windows XP, visit the manufacturer's Web site at http://go.microsoft.com/fwlink/?linkid=385. Web addresses can change, so you might be unable to connect to this 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.