Why can t I upgrade my system software from a computer running Windows XP or Internet Explorer 6?
Due to a browser policy change in the latest version of Microsoft Internet Explorer, you may receive a message indicating that the system upgrade process cannot be completed. The system upgrade process requires the use of session or temporary cookies. To reach the upgrade page, you must enable the use of session cookies in your browser. See the Internet Explorer help files for more information on cookies and for instructions on how to change your browser security settings to allow the use of session cookies.