This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

What is this " URGENT! Your version of Firefox is no longer protected against online attacks. Get the upgrade - it’s fast and free! ? It comes up when I log on

  • 1 cavab
  • 3 have this problem
  • 11 views
  • Last reply by cor-el

more options

This showed up today when I went online. I do not know if it is legit or what. What do I do?

This showed up today when I went online. I do not know if it is legit or what. What do I do?

All Replies (1)

more options

The Firefox 3.5.x branch has reached end-of-life and is no longer maintained.
You will no longer receive security updates.
You can update Firefox via "Help > Check for Updates" or download and install the latest Firefox 3.6.x or 4.0.x version.