Frequent Topics
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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.
Insecure password warning in Firefox
Firefox warns you when a login form is not secure and your information could be stolen.
Customize Firefox controls, buttons and toolbars
You can customize Firefox in many ways. This article explains how to customize Firefox controls, buttons and toolbars.
Firefox options, preferences and settings
The Options/Preferences panels give you access to Firefox settings. This article describes what types of settings are available in each panel.
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