Here is how to remove the Java listing in Windows Control Panel, which may remain, even after uninstalling Java. You may run this Troubleshooter or manually edit the Registry to remove the old entry.

Updating Java If you’re running Windows, your best bet is to open Control Panel and look for the “ Java Control Panel ” icon. After clicking on the Java icon, visit the “ Update ” tab to force an ...

To do so, right-click your Firefox desktop icon, then choose Run as administrator. Now, when you go back to the Add-ons list, you’ll have the option of uninstalling Java Consoles.