When I run IBM DB2 Fastpath Training Program, CT28, it fails with the following 
message. (This is from the Java Console"
java.lang.NullPointerException

        at sun.plugin.viewer.context.IExplorerAppletContext.getJSObject(Unknown 
Source)

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

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

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

        at sun.plugin.viewer.LifeCycleManager.initAppletPanel(Unknown Source)

        at sun.plugin.viewer.IExplorerPluginObject$Initer.run(Unknown Source)

No audio device available. Free audio device and restart the browser.

My m/c configuration is

M/S Win 2000 5.00.2195
java version "1.4.1_01"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.1_01-b01)
Java HotSpot(TM) Client VM (build 1.4.1_01-b01, mixed mode)
M/S Internet Explorer 5.50.4807.2300.