Frequent Topics
Explore the knowledge base.
Still need help?
We’re here for you. Post a question to our support forums and get answers from our community of experts.
Ask the CommunityFeatured Articles
Add-on Badges
You’ll know if an extension is being regularly reviewed if it has one of the badges listed in this article.
Captive portal detection
Page that describes how Firefox detects captive portal networks.
How to troubleshoot time related errors on secure websites
Learn why you might see time-related errors on HTTPS websites and how you can troubleshoot these errors by correcting your system clock.
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.

Join Our Community
Grow and share your expertise with others. Answer questions and improve our knowledge base.