You're trying to use an unsupported application. That software was released in 2007 while we are in 2016. The main cause to your issue is directly related to compatibility.
I recommend you choose something that's configured to work on recent computers and it's constantly updated to offer new features and compatibility.
Visit the following link and download the application. You can configure it as a widget for desktop or as a screensaver: http://yowindow.com/about.php