

You can even restart your system to make absolutely sure. Completely close your Mozilla application after clicking Uninstall, by using the File menu and selecting "Exit" or "Quit".If you have trouble uninstalling an extension or theme from the Add-ons manager: See Resetting preferences for how to remove added preferences and restore the default preference values. There is no general way to remove all of an extension's data. For example, if you reinstall the extension, then you might find that it still uses its previous settings. Uninstalling an extension might not completely remove all of the extension's data. Click "Remove" ("Uninstall" in Firefox 3.6).

Click on the extension or theme you want to uninstall.Click on "Extensions" or "Appearance" ("Themes" in Firefox 3.6).Click "Tools -> Add-ons" (Add-ons Manager in SeaMonkey 2).The usual method for uninstalling extensions and themes is by using the Add-ons manager for your Mozilla application, as follows. 1.4.1 Control Panel list of installed programs.1.4 Uninstalling an extension using Windows Control Panel.
