Use the ESN 1.0 desktop software to upgrade your existing installation of ESN 2.0 desktop application with the latest patch installed.
IMPORTANT:Before you upgrade the Desktop Application, you must do the following to exit the ESN client:
Press and hold Shift, then right-click the ESN icon in the Windows system tray.
Click Exit.
If you upgrade the ESN Desktop Application while a previous version is running, the overlay icons might not display. For more information about this issue, see the ESN Desktop Application Release Notes on the ESN 1.0 Documentation website.