MVWeb not loading, Help needed.

I am getting this error:

java.lang.ClassNotFoundException: com.itron.uts.mvweb.applet.MVWeb

at sun.applet.AppletClassLoader.findClass(Unknown Source)

at sun.plugin.security.PluginClassLoader.findClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

at sun.applet.AppletClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

at sun.applet.AppletClassLoader.loadCode(Unknown Source)

at sun.applet.AppletPanel.createApplet(Unknown Source)

at sun.plugin.AppletViewer.createApplet(Unknown Source)

at sun.applet.AppletPanel.runLoader(Unknown Source)

at sun.applet.AppletPanel.run(Unknown Source)

at java.lang.Thread.run(Unknown Source)

Caused by: java.io.IOException: open HTTP connection failed.

at sun.applet.AppletClassLoader.getBytes(Unknown Source)

at sun.applet.AppletClassLoader.access$100(Unknown Source)

at sun.applet.AppletClassLoader$1.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

... 11 more

I talked to webmaster and I have proper java version (1_4_1_02).
I closed firewall and cranked IE security to low, and I am still getting
this error.
I am using winxp sp2 with all the updates, IE ver. 6.029.xxx

Any one can help me to troubleshoot this problem?

Thanks.

Art.
.