Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

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

"Welcome to Firefox 4" tab keeps opening every time I open FF4. How do I stop it?

  • 2
  • 28
  • 8 views
  • Nzaghachi ikpeazụ nke JAJjr

more options

Every time I open FF4, I get an extra tab with the Welcome to FF4. The URL is http://www.mozilla.com/en-US/firefox/4.0.1/whatsnew/. I want to keep this tab from opening.

Every time I open FF4, I get an extra tab with the Welcome to FF4. The URL is http://www.mozilla.com/en-US/firefox/4.0.1/whatsnew/. I want to keep this tab from opening.

All Replies (2)

more options
more options

The link sent me to another answer. The problem was a locked prefs.js

Thanks, jaj