'What are you doing?' is a Windows application used on a network environment (LAN). You can watch your client's activity and control them remotely. Even if you have no special knowledge about a network, you can use it as soon as you install. The controller program detects the client computers and registers them automatically. 'What are you doing?' are consisted of the controller system (Misete), and the client system (Mite). The client program is started automatically simultaneously with starting of Windows System, and it operates in the background. Since what shows that the client program is running on a desktop is nothing, you can manage your clients without being noticed.