If you want the Firefox browser to not only notify you before installing any new updates, but also disable automatic download and installation of the updates then, select 'Ask me what I want to do' radio button. Firefox will notify you about new updates for: 1> Firefox, 2> Add-on, 3> Search Engines and give you an option to download and install … [Read more...] about Turn On / Off Notification Before Updating Firefox Browser, Add-On, Search Engines