Topics
Explore the knowledge base.
- Recover important data from an old profile
- Diagnose Firefox issues using Troubleshoot Mode
- Back up and restore information in Firefox profiles
- Secure connection failed and Firefox did not connect
- Firefox uses too much memory or CPU resources - How to fix
- Websites look wrong or appear differently than they should
- Accessibility features in Firefox - Make Firefox and web content work for all users
- Accessibility not available during multi-process support
- Can I use my screen reader with the new Firefox?
- How to save a web page
- How to print web pages in Firefox
- Where to find and manage downloaded files in Firefox
- How to search IMDB, Wikipedia and more from the address bar
- Search with the Firefox address bar
- Remove websites from the address bar suggestions
- Install Firefox on Linux
- Update Firefox to the latest release
- Custom installation of Firefox on Windows
- How to search IMDB, Wikipedia and more from the address bar
- Import bookmarks and other data from Google Chrome
- Import data from another browser
- Insecure connection password warning in Firefox
- Block and unblock websites with parental controls on Firefox
- Pop-up blocker settings, exceptions and troubleshooting
Still need help?
We’re here for you. Post a question to our support forums and get answers from our community of experts.
Ask the CommunityFeatured Articles
Add-on signing in Firefox
Learn about add-on signing and what to do if an extension you want to use could not be verified for use in Firefox.
Update Firefox to the latest release
Firefox automatically updates itself by default, but you can always do a manual update. Learn how to update Firefox on Windows, Mac, or Linux.
Website will not allow Firefox to display the page if another site has embedded it
This page explains the error: "Website will not allow Firefox to display the page if another site has embedded it"
Insecure connection password warning in Firefox
Firefox will show you a "connection is not secure" warning message when a website login page is insecure and information could be stolen.

Join Our Community
Grow and share your expertise with others. Answer questions and improve our knowledge base.