A Refresh can fix many issues by restoring Firefox to its default state while saving essential information like bookmarks and passwords.
Get answers for common questions about Firefox Accounts.
If your bookmarks, passwords, preference settings and other data are missing, it may be available in another Firefox profile. Learn more.
Why Firefox may show you a Secure Connection Failed error when you try to access the configuration page for your router and what to do.
Here are some common solutions to help you resolve issues such as missing confirmation emails and outdated or locked Firefox Account status.
What to do if Facebook Container doesn't work.
This article explains how to retain login information for users who experience issues when upgrading to Firefox 73 or above from older versions of Firefox.
[https://send.firefox.com/ Firefox Send] has been discontinued as of September 17th, 2020. Thank you for trying Firefox Send in the past.
How to solve a known issue with audio playback when you use Firefox on a Remote Desktop Connection.
Users on slower computers have reported problems viewing certain web pages with some screen readers in Firefox 57 and above. Learn more.
On Linux, the profile path is required to be valid UTF-8. Names of downloaded files are encoded in UTF-8 regardless of glibc and glib settings.
How to fix audio problems when you try to watch videos while using the Citrix Receiver.
Alternate way to install Facebook Container.
Why the 4K option shows up for some viewers while it doesn't for others.
How to fix Firefox drag-and-drop errors when running Windows as Administrator with UAC disabled and the Launcher Process enabled.
How to resolve an issue where Firefox asks for a Primary (formerly "Master") Password if you have AVG or Eset Internet Security installed.
If each open Firefox tab shows up in your Windows volume mixer, a fix will be released in Firefox version 76. Here is a workaround in the meantime.
There was a known issue in Firefox version 69 and Beta 70 that prevented you from downloading files in Windows 10 when parental controls were on.
Learn how to make unpin Firefox from the taskbar in Windows 10.
Estonian Smart Cards are not working for some users in Firefox 76 and above. Here's how to make them work.
Firefox Compatibility with Windows Exploit protection.
Learn about workaround for a CCleaner but that's deleting saved Firefox extension settings in Firefox 79.
AppCache is being disabled starting with Firefox 80. Here's how to re-enable it (advanced only).
How to work around a known issue with Twitter on Firefox.
What to do if you're experiencing Netflix errors after updating to Firefox 84 on a Mac with Apple Silicon.
How to fix the NS_ERROR_DOM_ABORT_ERR while trying to open web.telegram.org or app.slack.com on Firefox 87.
Some videos from streaming services don't play in Firefox and Firefox ESR. This is fixed in Firefox version 88.0.1 and Firefox ESR 78.10.1
Learn how to troubleshoot and fix Firefox crashes, and find out how to get more help if you're having problems solving the issue.