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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 to protect you and will show you an error page. Learn more.

Common Myths about Private Browsing

Common Myths about Private Browsing

Learn more about common misconceptions about Private Browsing in Firefox.

Captive portal detection

Captive portal detection

Description of how Firefox detects captive portal networks.

Update Firefox to the latest release

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.