Java applications installed using Java Web Start can be uninstalled within the Java control panel.
You can view the list of installed Java applications by clicking here, if this fails follow the instructions below.

Microsoft Windows

1. Open the Control Panel.
   
   
   
   
2. Choose Java.
3. Click view under Temporary Internet Files.
   
   
   
   
4. Choose the application to uninstall.
   
   
   
   
5. Click the red cross.

  

Mac OS X

1. Open Applications
2. Choose Utilities.
   
3. Choose Java Preferences.
4. Click network tab.
   
   
   
   
5. Click View Cache Files.
6. Choose the application to uninstall.
   
   
   
   
7. Click the red cross.