Unable to reinstall the application if the trace level is set to 5

Tested OS : Windows 2000
Tested Build : mustang build 50

1. Install mustang build 50
2. Clear cache
3. Launch notepad application (javaws http://java.sun.com/products/javawebstart/apps/notepad.jnlp)
4. create .javawsrc file under <user home> (ie., c:\documents and settings\<user> ) with the following contents :

TraceNetwork=true
TraceBasic=true
TraceSecurity=true
TraceCache=true
TraceExtensions=true
TraceTemp=true

5. Launch Java Control Panel and Click view button
Java Cache Viewer is launched
6. Choose notepad application and click remove icon
7. Try to reinstall the notepad application
Unable to reinstall the application and the progress bar is in indeterminate state
8. Now remove TraceExtensions=true and TraceTemp=true from .javawsrc file
9. Try to reinstall the notepad application
The application is reinstalled and available under Applications entry

Image file attached