LanBuster helps you to be in control of the files and other resources that you are using in your computer. Basically, this is the software that you need if you need to automatically switch on or off the file sharing function. This program basically runs as an icon pinned on the system tray. It will signal you with some color to show you if the LAN has been disabled or it has not. You can double click on the same icon it at all you needs to customize the file sharing settings to suit your own personal preferences. The good thing about this program is that it does not in any way affect your internet connection.