To close Little Green Button right click on the button itself and select Exit from the menu:
Alternatively, hold down the Alt key on your keyboard and tap the F4 key.
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 by clicking on your Start button, go to All Programs and click on Little Green Button: