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Featured Articles

Secure connection failed and Firefox did not connect

Secure connection failed and Firefox did not connect

If a website requires a secure connection that cannot be established, Firefox will not connect and will show you an error page. Learn more.

Enhanced Tracking Protection in Firefox for desktop

Enhanced Tracking Protection in Firefox for desktop

Enhanced Tracking Protection in Firefox automatically protects your privacy while you browse.

How to troubleshoot time related errors on secure websites

How to troubleshoot time related errors on secure websites

Learn why you might see time-related errors on HTTPS websites and how you can troubleshoot these errors by correcting your system clock.

How to change your default browser to Firefox on Windows

How to change your default browser to Firefox on Windows

Learn how to make Firefox your default Web browser on Windows 10 and Windows 11.