Are you sure Silverlight is the problem? https://www.microsoft.com/getsilverlight/get-started/install/default.aspx Silverlight 5 (5.1.40728.0) https://www.microsoft.com/en-us/Search/result.aspx?q=Silverlight http://social.technet.microsoft.com/wiki/contents/articles/30387.silverlight-troubleshooting-installation.aspx -------------- Security Issue: Update your Flash Player '''Version 19.0.0.226<br>https://www.adobe.com/products/flashplayer/distribution3.html''' '''Note: Windows users''' must download the “Internet Explorer” '''and''' “Plugin-based browsers” installers. Note: Edge on Win10 does not use ActiveX version but its own Flash. See if there are updates for your graphics drivers https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration