Try these troubleshooting steps: *[[What to do if you can't download or save files]]

Security Issue: Update your Flash Player '''Version 18.0.0.232<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 ------------------------- Your System Details shows; Installed Plug-ins VLC media player Web Plugin 2.0.2 VLC media player Web Plugin 2.0.6 <br>Having more than one version of a program may cause issues. You must remove the older programs. Then get the current full installer.

You can find the installation path of all plugins on the <b>about:plugins</b> page. *http://kb.mozillazine.org/Issues_related_to_plugins#Identifying_installed_plugins See also "Manually uninstalling a plugin": *https://support.mozilla.org/kb/Troubleshooting+plugins