Tap here to go to the mobile version of the site.
Your Firefox is out of date and may contain a security risk! Upgrade Firefox

Support Forum

Can not connect to server to download lastest security fix version


I receive a notice to download and install a fix upgrade to the latest Firefox version but the connection to the server never happens even after an hour of trying. I am running Mountain Lion on my IMac.

Additional System Details

Installed Plug-ins

  • Simple plug-in
  • Displays Java applet content, or a placeholder if Java is not installed.
  • Shockwave Flash 11.5 r502
  • 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.
  • The Flip4Mac WMV Plugin allows you to view Windows Media content using QuickTime.


  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:17.0) Gecko/20100101 Firefox/17.0

More Information

  • Top 10 Contributor
2387 solutions 21097 answers

If necessary, you can grab a fresh full installer here:


That might be easier than figuring out an alternate URL for the update server...

Edit: This article might be useful: http://support.mozilla.org/en-US/kb/update-failed-error-message-when-updating#os=mac&browser=fx17

Modified by jscher2000