Heres the Exception read out...

Code:
  Error: Unexpected exception; java.lang.reflect.InvocationTargetException


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Launch File Tab

<?xml version="1.0" encoding="utf-8"?>

<jnlp spec="1.0+" codebase="http://centillex.com/jack" href="demo.jnlp">
<information>
<title>Jack Demo</title>
<vendor>Centillex Software</vendor>
<offline-allowed/>
</information>
<security>
<all-permissions/>
</security>
<resources>
<j2se version="1.6+" href="http://java.sun.com/products/autodl/j2se"/>
<jar href="demo-0.1.jar" />
<jar href="jack-0.1.jar" />
<nativelib href="native-mc1.jar"/>
</resources>
<application-desc main-class="com.jacknex.demo.Demo">
</application-desc>
</jnlp>


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Exception Tab
java.lang.reflect.InvocationTargetException
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)
Caused by: java.lang.UnsatisfiedLinkError: C:\Documents and Settings\Compaq_Owner\Application Data\Sun\Java\Deployment\cache\6.0\35\4051a3e3-1186945e-n\bootstrap.dll: This application has failed to start because the application configuration is incorrect. Reinstalling the application may fix this problem
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(Unknown Source)
at java.lang.ClassLoader.loadLibrary(Unknown Source)
at java.lang.Runtime.loadLibrary0(Unknown Source)
at java.lang.System.loadLibrary(Unknown Source)
at com.jacknex.Bootstrap.<clinit>(Bootstrap.java:8)
at com.jacknex.demo.Demo.main(Demo.java:40)
... 9 more




Lots of Unknowns there
Hope this helps,

Cheers.