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

Èròjà atẹ̀lélànà yii ni a ti fi pamọ́ fọ́jọ́ pípẹ́. Jọ̀wọ́ béèrè ìbéèrè titun bí o bá nílò ìrànwọ́.

I updated to Firefox 4.0.1 this morning. Norton 5.5 is now disabled and the message states that it is incompatible with 4.0.1. I need the Norton features enabled. Can I go back to 4.0 until this is rersolved?

  • 2 àwọn èsì
  • 15 ní àwọn ìṣòro yìí
  • 12 views
  • Èsì tí ó kẹ́hìn lọ́wọ́ jani

more options

I updated to Firefox 4.0.1 this morning. Norton 5.5 is now disabled and the message states that it is incompatible with 4.0.1. I need the Norton features enabled. Can I go back to 4.0 until this is resolved?

I updated to Firefox 4.0.1 this morning. Norton 5.5 is now disabled and the message states that it is incompatible with 4.0.1. I need the Norton features enabled. Can I go back to 4.0 until this is resolved?

All Replies (2)

more options
more options

Please do a Live Update to the Norton product. They have provided an important update to Firefox 4.0.1.