Windows 10 will reach EOS (end of support) on October 14, 2025. For more information, see this article.

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Fix error “Website will not allow Firefox to display the page.”

Fix error “Website will not allow Firefox to display the page.”

Learn why Firefox may block a page embedded by another site, and what you can do to open it.

Insecure connection password warning in Firefox

Insecure connection password warning 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.

Secure connection and security warning error pages in Firefox

Secure connection and security warning error pages in Firefox

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

Make Firefox your default browser on Windows

Make Firefox your default browser on Windows

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

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