Setting Firefox as the default browser does not work - What to do
Learn how to make sure Firefox is the default browser if setting that option didn't work, or it got changed by another program.
Last updated: 06/30/2023
Recover lost or missing Bookmarks
If your bookmarks have disappeared, it may be possible to recover them. Learn why bookmarks may seem to be missing and how to get them back.
Last updated: 03/26/2024
Usernames and passwords are not saved
Firefox has a password management feature to store usernames and passwords for logging in to websites. Learn why logins might not be saved.
Last updated: 02/08/2024
What to do if you can't download or save files
If you can't download or save files with Firefox, this article explains the steps to take to fix this problem.
Last updated: 06/06/2022
How to fix preferences that won't save
This article tells you how to fix issues where Firefox can't save some or all of the settings that you try to change.
Last updated: 07/16/2022
Firefox doesn't save web form entries
Firefox's autocomplete feature lets you save and reuse text field entries in web forms. If you're no longer able to auto-fill your forms, follow these steps.
Last updated: 11/28/2018
Changes to toolbars and window sizes are not saved
If Firefox doesn't remember changes you've made to toolbar customizations or to browser window size or position, this article has solutions.
Last updated: 11/09/2022
The thumbnails on the New Tab page are missing - how to get them back
Learn why images for sites on the New Tab page may not display and how to get them back. This article is for Firefox version 56 and below.
Last updated: 04/30/2018
Wrong home page opens when I start Firefox - How to fix
Learn how to restore your home page if a third-party software vendor changes it so that their page always opens when you launch Firefox.
Last updated: 06/17/2015
