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Learn MoreSettings panels give you access to Firefox settings. This article describes what types of settings are available in each panel.
Firefox will show you a "connection is not secure" warning message when a website login page is insecure and information could be stolen.
This page explains the error: "Website will not allow Firefox to display the page if another site has embedded it"
Learn how to make Firefox your default Web browser on Windows 10 and Windows 11.