To close Little Green Button right click on the button itself and select Exit from the menu:
You will be asked to confirm that you wish to exit:
Click Yes and Little Green Button will stop running.
Note: You will no longer be able to request assistance or receive the alerts from other PCs.
The Little Green Button will automatically restart the next time you log onto the PC. However, you can manually restart the button from the Little Green Button shortcut on your desktop or in your start menu.