Microsoft Security Essentials Software can block the installation process of PlayCDG KJ Deluxe program.

Turn Off the real-time protection of Microsoft Security Essentials program before you start installation process.

1.> Open Microsoft Security Essentials main window.
2.> Go to "Settings" > "Real-Time Protection".
3.> Uncheck the box "Turn on real-time protection".

Don't forget to turn it back on after the installation will be done.