The installed version of Microsoft IntelliPoint Software is not compatible with this version of Microsoft Windows and will be disabled during the upgrade. If you have version 3.1 or greater you must reinstall the software after the upgrade has completed in order for it to function correctly in this version of Windows. Although having the software installed will not affect the Setup process, it is recommended that you uninstall the software before continuing with the upgrade. For more information about this software, or to obtain a version that runs on this version of Windows, visit the Microsoft Web site at http://www.microsoft.com/mouse. 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 Windows, see the Microsoft Windows Compatibility List at http://go.microsoft.com/fwlink/?LinkId=9946.