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

Hierdie gesprek is in die argief. Vra asseblief 'n nuwe vraag as jy hulp nodig het.

Firefox 4.0 will not install. I have Mac OSX 10.4.11. Error message 10661.

  • 1 antwoord
  • 9 hierdie probleem
  • 7 views
  • Laaste antwoord deur cor-el

Lloyd Frohreich
Lloyd Frohreich
more options

I tried to install Firefox 4.0 and I got an error message 10661 and it said my system would not support it. I have Mac laptop with MAC OSX 10.4.11. Why won't it install using this operating system?

I tried to install Firefox 4.0 and I got an error message 10661 and it said my system would not support it. I have Mac laptop with MAC OSX 10.4.11. Why won't it install using this operating system?

All Replies (1)

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
more options

Firefox 4 doesn't run on a PowerPC Mac.

Firefox 4 requires at least OS X 10.5 and an Intel Mac.

For Mac OS X 10.4.11 or Mac OS X 10.5.8 you can look at:

Firefox 3.6.x can be found here: