Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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 am unable to download the older version of Firefox 3.6.16 (OS X 10.4.11 system is not compatible with Firefox 4.0).

  • 1 reply
  • 59 have this problem
  • 195 views
  • Last reply by cor-el
  • Archived

julietabg
julietabg

Each time I download it, I keep getting a "Verification Failed" message in my download screen. Also, though an icon does appear on my desktop, when I click into it, an error window appears which reads "Warning - The following disk images failed to mount - Firefox 3.6.16.dmg - not recognized"

Each time I download it, I keep getting a "Verification Failed" message in my download screen. Also, though an icon does appear on my desktop, when I click into it, an error window appears which reads "Warning - The following disk images failed to mount - Firefox 3.6.16.dmg - not recognized"

All Replies (1)

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

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:

Download a new copy of the Firefox program

Your profile data is stored elsewhere in the Firefox Profile Folder, so you won't lose your bookmarks and other personal data.