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Browse our self-help options first or continue to ask your question and get help.
Learn how to make Firefox your default Web browser on Windows 10 and Windows 11.
Learn about local storage, how to access storage settings, remove site data or set exceptions for websites to store data 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.
Learn why Firefox may block a page embedded by another site, and what you can do to open it.
