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How do I stop Firefox from opening each time I turn on my computer?


When I turn on my computer Firefox automatically opens up. I want to stop this. How do i stop this from happening? This is a new thing.

Additional System Details

Installed Plug-ins

  • Shockwave Flash 10.3 r183
  • Adobe® Acrobat® Plug-in for Web Browsers, Version 10.1.7
  • The Google Earth Plugin allows you to view 3D imagery and terrain in your web browser.
  • DivX VOD Helper Plug-in
  • DivX Plus Web Player version
  • 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


  • 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
617 solutions 4263 answers

Hello barrythelamb, see if the next is helpful : https://support.mozilla.org/questions/757110#answer-108749

thank you

(removed the locale reference in the link - c)

Modified by cor-el

  • Top 10 Contributor
  • Moderator
10751 solutions 96748 answers

See also:

  • Control-click on the Firefox Dock icon and uncheck 'Open at Login'
  • Click Accounts (in the System row of the System Preferences window)
    • Click the Login Items tab
    • Click on Firefox in the list
    • Click the Minus (-) button