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Firefox for Mac OS 10.5 should be updated. I have OS 10.5.8. Do I need to upgrade?

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Firefox for Mac OS 10.5 should be updated. I have OS 10.5.8. Do I need to upgrade?

Additional System Details

Installed Plug-ins

  • Office Live Update v1.0
  • Shockwave Flash 10.3 r183
  • Garmin Communicator Plug-in Version 4.0.1.0
  • The Flip4Mac WMV Plugin allows you to view Windows Media content using QuickTime.
  • Coupons Inc., Coupon Printing FireFox Plugin
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in web pages. For more information, visit the QuickTime Web site.
  • iPhoto6

Application

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

More Information

Tyler Downer
  • Administrator
  • Moderator
1165 solutions 6639 answers

Firefox 16 is the last version that will run on Mac 10.5. You can purchase an update to Mac 10.6 for about $20 US, if the hardware in your machine supports it.