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Add-on signing in Firefox

Add-on signing in Firefox

Learn about add-on signing and what to do if an extension you want to use could not be verified for use in Firefox.

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.

Website will not allow Firefox to display the page if another site has embedded it

Website will not allow Firefox to display the page if another site has embedded it

This page explains the error: "Website will not allow Firefox to display the page if another site has embedded 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.

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