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.

Avatar for Username

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

Wannan tattunawa ta zama daɗaɗɗiya. Yi sabuwar tambaya idan ka na bukatar taimako.

I installed FF4 on Mac OS 10.4.11. Says it cannot operate with my system. Old FF gone. New FF won't work. HOW DO I RECOVER?

  • 1 amsa
  • 3 sa na da wannan matsala
  • 1 view
  • Amsa ta ƙarshe daga Matt Brubeck

JPC811
JPC811
more options

I installed FF4 on Mac OS 10.4.11. Says it cannot operate with my system. Old FF gone. New FF won't work. HOW DO I RECOVER?

I installed FF4 on Mac OS 10.4.11. Says it cannot operate with my system. Old FF gone. New FF won't work. HOW DO I RECOVER?

All Replies (1)

Matt Brubeck
Matt Brubeck
more options

You can re-download the previous version of Firefox from http://www.firefox.com/all-older.html