The application is executed from the system tray, monitoring possible modifications in the Windows Registry. If a Trojan tries to change the startup options or the content of certain files, MJ Registry Watcher will warn you and ask you for permission. In addition it will create a backup of that file.
Furthermore, MJ Registry Watcher also avoids automatic changes of application that run each type of file.
Finally, you can set different security levels depending on the use of your computer.