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- Restore bookmarks, passwords, and data from an old Firefox profile
- Use Troubleshoot Mode in Firefox
- Back up and restore information in Firefox profiles
- Secure connection and security warning error pages in Firefox
- 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
- Custom installation of Firefox on Windows
- Uninstall Firefox from your computer
- Install an older version of Firefox
- Make Firefox your default browser on Windows
- Change Firefox options, preferences and settings
- Manage local site storage settings
- Common Myths about Private Browsing
- Block and unblock websites with parental controls on Firefox
- Pop-up blocker settings, exceptions and troubleshooting
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Ask the CommunityFeatured Articles
Manage local site storage settings
Learn about local storage, how to access storage settings, remove site data or set exceptions for websites to store data in Firefox.
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.
Secure connection and security warning error pages in Firefox
If a website requires a secure connection that cannot be established, Firefox will not connect and will show you an error page. Learn more.
Captive portal detection
Description of how Firefox detects captive portal networks.

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