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Since I must stick with my OS X 10.5.8, should I uninstall Firefox 16 and re-install Firefox 15.0.1?


Or, since both have security problems for OS 10.5.8 that Apple refuse to acknowledge (their way of forcing us to upgrade - very Microsoft-esque!), should I just switch to Safari or Chrome, both of which I hate. I really want to stay with Firefox. How much of a security risk is it? For comparison purposes, how much would the upgrade to 10.8 cost in the US (I live in Ireland), please?

All and any help would be much appreciated - thanking you in advance.

Chosen solution

you are welcome

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Installed Plug-ins

  • Shockwave Flash 10.3 r183
  • Office Live Update v1.0
  • The Flip4Mac WMV Plugin allows you to view Windows Media content using QuickTime.
  • 5.1.10411.0
  • The Google Earth Plugin allows you to view 3D imagery and terrain in your web browser.
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in web pages. For more information, visit the QuickTime Web site.
  • Picasa plugin.
  • Version 0.9.16, copyright 1996-2006 The VideoLAN Team, 2006-2009 Veetle, Inc.http://www.veetle.com
  • Version 0.9.16, copyright 2006-2009 Veetle Inchttp://www.veetle.com
  • Version 0.9.16, copyright 2006-2009 Veetle Inc.http://www.veetle.com
  • iPhoto6


  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.5; rv:16.0) Gecko/20100101 Firefox/16.0

More Information

  • Top 25 Contributor
616 solutions 4260 answers

Helpful Reply

Hi fnibhriain

Do NOT uninstall 16.0 because it is the latest compatible for your 10.5 mac

see: Firefox 16 System Requirements

Firefox no longer works with Mac OS X 10.5

the upgrade from 10.5 to 10.8 the cost is 45-50 dollars see why:



........How much of a security risk is it?...... we can not measure but you have not security updates or fixed bugs any more if you stay to 16.0.

thank you

  • Top 10 Contributor
2348 solutions 20818 answers

The current release of Firefox is 16.0.1, which fixed issues in 16.0. You can use Help > About Firefox to confirm that you have it.

Question owner

Thank you Ideato,

Your information has been most helpful. I actually have Firefox 16.0.1 installed and it was its warning message sent to me today that made me query the security issue.

I will keep it and follow up on those upgrades - thank you for the very informative links. And, WOW! Mac upgrades are much cheaper in the US!

Thanks a million!

Question owner

Thank you, already installed - lazy typing on my part!

  • Top 25 Contributor
616 solutions 4260 answers

Chosen Solution

you are welcome