Trying to launch JFXtras Ensemble from http://jfxtras.org/

I clicked the image to run it via web start.
It downloaded and I saw a progress bar in a window titled "JavaFX Application Preview" and then the JRE 1.7.0_10 installer failed.
"Unable to launch the application."
Name: J2RE 1.7.0_10 Installer
Publisher: Sun Microsystems, Inc.
From: http://javadl.sun.com


Click ing the Details button on the error dialog I can get the following information:
java.lang.UnsatisfiedLinkError: C:\Users\scott.palmer\AppData\LocalLow\Sun\Java\Deployment\cache\6.0\ext\E1355338521796\j2re-installer.dll: Can't load IA 32-bit .dll on a AMD 64-bit platform
    at java.lang.ClassLoader$NativeLibrary.load(Native Method)
    at java.lang.ClassLoader.loadLibrary1(Unknown Source)
    at java.lang.ClassLoader.loadLibrary0(Unknown Source)
    at java.lang.ClassLoader.loadLibrary(Unknown Source)
    at java.lang.Runtime.load0(Unknown Source)
    at java.lang.System.load(Unknown Source)
    at com.sun.webstart.installers.Main.install(Main.java:156)
    at com.sun.webstart.installers.Main.main(Main.java:554)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at com.sun.javaws.Launcher.executeApplication(Unknown Source)
    at com.sun.javaws.Launcher.executeMainClass(Unknown Source)
    at com.sun.javaws.Launcher.doLaunchApp(Unknown Source)
    at com.sun.javaws.Launcher.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)


Browser was Firefox 17.0.1. JDK 7u10-b18 32-bit was already installed.