The currently installed driver for Contour Mouse is not compatible with Microsoft Windows XP and will be disabled during the upgrade. You should uninstall the drivers and associated software before continuing with the upgrade. 

For more information about this driver, visit the manufacturer's Web site at http://go.microsoft.com/fwlink/?LinkId=565. Web addresses can change, so you might be unable to connect to this Web site. 

For a list of devices supported by Windows XP, see the Microsoft Windows XP Hardware Compatibility List at the Microsoft Web site at http://www.microsoft.com.