Cannot install Silverlight for Safari 12, Silverlight support removed

Potential Symptoms

  • Trying to upload content using the Visiconn Silverlight Uploader get a prompt to install Microsoft Silverlight.
  • After attempting to install Silverlight Visiconn still gives the prompt to install Microsoft Silverlight.
  • Under Preferences > Websites > Plugins there is no Plugins available for Visiconn except Adobe Flash.


  • Product Family: Software
  • Product:
  • Component: Mac OS 10.13.16 High Sierra, Safari 12
  • Control System: Visiconn



  • None.

For Temporary Operation

KB ID: DD4123041

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