Reset Firefox to Default Settings [Tutorial]. If your Mozilla Firefox Web browser suddenly has an unwanted toolbar, its home page has changed without your permission or your search results appear in a search engine you never chose, it may be time to reach for the browser reset button.
Many legitimate pieces of software, especially freeware, slap on third-party, browser-hijacking extensions when you install them. The easiest fix is a full browser reset.
Resetting Firefox will probably not delete bookmarks, or saved passwords, but there are no guarantees. It might be best to back up your Firefox bookmarks first. The steps in this tutorial are identical for the Windows, Mac and Linux versions of Firefox.
This tutorial will apply for computers, laptops, desktops,and tablets running the Windows 10, Windows 8/8.1, Windows 7 operating systems.Works for all major computer manufactures (Dell, HP, Acer, Asus, Toshiba, Lenovo, Samsung).
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