Java Runtime Environment (JRE), installed on most computers to allow applications to run in Internet pages, must be installed on the computer on which the Web Transfer Client is used. You can download the current JRE version by testing your Java Virtual Machine (JVM) at http://www.java.com/en/download/installed.jsp.
To view the Java runtime version your browser is using
Internet Explorer and Firefox: Click
Tools > Sun
Java Console. The plug-in version number displays at the top
of the console.
Safari: Click Help > Installed Plugins.