If the Agent has been installed as a Tray application, you can configure it to run automatically when you log into Windows (under the Settings tab).
You can manually start the Agent by launching the icon under the Start Menu/Programs section.
To stop the Agent from running, right click on the icon in the system notification area (next to the click) and select Exit. Logging out of Windows will also stop the Agent.
Use the Services management console to stop and start the ReferralNet Agent Service