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

I've just downloaded 4.0 and now read "You cannot open the application 'Firefox' because it is not supported on this architecture" What do I do?

  • No replies
  • 2 have this problem
  • 1 view
more options

iMac G5 with PowerPC G5 (3.0). Is this able to support 4.0? Can I go back and run 3.6?

iMac G5 with PowerPC G5 (3.0). Is this able to support 4.0? Can I go back and run 3.6?

All Replies (2)

more options

Please consult the Firefox 4 system requirements.

If you cannot use Firefox 4 on your computer, you can download Firefox 3.6 from here .

more options

Firefox 4 requires at least OS X 10.5 and an Intel Mac. There is a third party version of Firefox 4 that runs on OS X 10.4/10.5 and PPC Macs, for details see http://www.floodgap.com/software/tenfourfox