We occasionally see this error and it usually points to your Adobe Flash Player needing to be updated or installed. We suggest you try another browser such as Chrome, and see if you can get the videos to play, or you can try updating your Flash Player.
To update your Flash Player, please visit https://helpx.adobe.com/flash-player.html and click the “Check Now” box to see if Flash is installed for your browser. If you do not have Flash Player installed, you can simply download it from the site link above.
If you have the most recent version of Flash installed, please ensure its enabled under your browser settings:
Internet Explorer: Go to Settings -> Manage Add-ons and ensure Shockwave Flash is enabled
Google Chrome: Go to Settings -> Content settings and ensure under Flash the "Allow sites to fun Flash" is selected
Firefox: Under Tools -> Add-ons, ensure Shockwave Flash is "Always Activate"
Safari: Preferences -> Security -> Plug-in settings