From ThreeOnly development team:
Vista Optimize Aide offers optimization services in various aspects such as Startup, Shutdown, Memory, Multimidia, NetWork, Service, Security and so on. Meanwhile, Vista Optimize Aide "Auto" button can help to optimize your computer according to its analysis to the hardware and software. This software offers 1-click restoration which means users can restore the system to Windows default status whenever you are not satisfied with the optimization result. This enables users to enjoy our product without ever needing to worry about changing settings by mistake and not being able to go back.