Join the Mozilla’s Test Days event from Dec 2–8 to test the new Firefox address bar on Firefox Beta 134 and get a chance to win Mozilla swag vouchers! 🎁

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

FF4.0 is incompatible with Norton Toolbar 4.6, Microsoft .Net Framework Assistant and other add-ons, how do I revert to FF3.6.16?

  • 1 balasan
  • 26 ada masalah ini
  • 1 paparan
  • Balasan terakhir oleh ed22sas

more options

FF4.0 is incompatible with Norton Toolbar 4.6, Microsoft .Net Framework Assistant and other add-ons, how do I revert to FF3.6.16?

FF4.0 is incompatible with Norton Toolbar 4.6, Microsoft .Net Framework Assistant and other add-ons, how do I revert to FF3.6.16?

All Replies (1)

more options

I wish I knew. I detest Firefox 4, and it gets worse every time I see that idiotic, anthropomorphic bear/panda or whatever it's supposed to be. The installation disabled my HP web smart printer pack. Someone should tell these guys that change for the sake of change is regression. 3.16.16 was as near perfect as it could be for me, and it seems to be impossible to reinstate it once it's been replaced by 4