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How can I unblock an add-on?


I have a vendor application that uses java add-ons that FireFox is disabling when the vender pop-up window appears. How can I re-enable it?

Additional System Details

Installed Plug-ins

  • Citrix Online App Detector Plugin
  • Google Update
  • Shockwave Flash 11.8 r800
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • Adobe PDF Plug-In For Firefox and Netscape 10.1.7
  • iTunes Detector Plug-in
  • The plug-in allows you to open and edit files using Microsoft Office applications
  • Office Authorization plug-in for NPAPI browsers
  • Windows Presentation Foundation (WPF) plug-in for Mozilla browsers
  • DRM Netscape Network Object
  • Npdsplay dll
  • DRM Store Netscape Plugin


  • User Agent: Mozilla/5.0 (Windows NT 5.1; rv:23.0) Gecko/20100101 Firefox/23.0

More Information

The FireFox version I am running is 23.0.1 on laptop running XP, I am running that same version on on a desktop running and it is not dis-abled(?)

  • Top 10 Contributor
  • Moderator
10752 solutions 96760 answers

Just to be sure: do you mean Java applets or JavaScript?

Note that your System Details List doesn't show the Java plugin.