We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

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

This thread was archived. Please ask a new question if you need help.

I updated my firefox, and now I'm getting an error message "You cannot use the application 'Firefox' with this version of Mac OS x" - Please help ASAP I hate Safari

  • 2 replies
  • 18 have this problem
  • 1 view
  • Last reply by LilLisa

LilLisa
LilLisa
more options

After an unexpected quit by firefox and an update. I can no longer use Firefox. I get an error message that says 'You cannot use the application "Firefox" with this version of Mac OS X"

After an unexpected quit by firefox and an update. I can no longer use Firefox. I get an error message that says 'You cannot use the application "Firefox" with this version of Mac OS X"

All Replies (2)

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

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

For a Firefox 4 compatible version that runs on Mac OS X 10.4.11 or Mac OS X 10.5.8 (PPC) you can look at:

Firefox 3.6.x (Mac OS X 10.4 and later) can be found here:

LilLisa
LilLisa Question owner
more options

Thanks