Firefox permits you to temporarily disable any extension in the event that you don't want to uninstall it completely. Here are the steps to disable an extension: 1. | Go to Extension Manager, right-click the extension, and then select Disable. | 2. | Restart Firefox. | 3. | The extension should now be grayed out in Extension Manager. | 4. | To re-enable the extension, right-click the extension, select Enable, and restart Firefox. | 5. | To uninstall the extension, you can either right-click the extension or select the extension and click the Uninstall button at the bottom of the Extension Manager. | |