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An updated version of Firefox is available to address the issues with Add-ons disabled or fail to install on Firefox. You can download the update for your OS here: https://www.mozilla.org/firefox/new/ For Known Issues and Workarounds, please check out the update at https://support.mozilla.org/kb/add-ons-disabled-or-fail-to-install-firefox


I Firefox vises kun en del af youtube videoer. Eksempelvis en fjerdedel af vinduet! Hvorfor?


Er Macbruger. Problemet eksisterer kun i Firefox - ikke i Safari.

Er Macbruger. Problemet eksisterer kun i Firefox - ikke i Safari.

Yderligere systemdetaljer

Installerede plugins

  • Shockwave Flash 11.8 r800
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in web pages. For more information, visit the QuickTime Web site.
  • Displays Java applet content, or a placeholder if Java is not installed.
  • The Flip4Mac WMV Plugin allows you to view Windows Media content using QuickTime.
  • Microsoft Office for Mac SharePoint Browser Plug-in


  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:23.0) Gecko/20100101 Firefox/23.0

Yderligere information

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See the discussion here:

See the discussion here: *[[/questions/968863]]