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after installing a MAC update, Firefox has been uninstalled - how could this have happened?

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  • 1 has this problem

I installed a recommended update (on MAC OS X 10.7.5), comprising updates for Word, Excel and Microsoft Messenger. When the installation process was completed, Firefox had been de-installed without any notification. Why? Has anyone had the same experience?

Additional System Details

Installed Plug-ins

  • Shockwave Flash 11.5 r502
  • Mit dem QuickTime Plug-in können Sie eine Vielzahl von Multimedia-Inhalten auf Webseiten anzeigen. Weitere Informationen erhalten Sie auf der Web-Site für QuickTime.
  • Microsoft Office for Mac SharePoint Browser Plug-in
  • Zeigt Java-Applet-Inhalte an oder einen Platzhalter, falls Java nicht installiert ist.
  • DivX Plus Web Player version
  • DivX VOD Helper Plug-in
  • Simple plug-in that handles Citrix connection files


  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:18.0) Gecko/20100101 Firefox/18.0

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