Note Our videos are streaming videos.  They must download to your browser before the video starts to play and there will be a delay before the video starts to play.

If you can play videos at home but not at work, your corporate firewall may be blocking our service.

Please make sure your company isn’t blocking any of our CDN providers as this is where our course videos live.  Ask your IT department to whitelist the following domains for outgoing HTTP (TCP) connections:

*.navvia.com

*.navvia.net

Try downloading and playing This sample video as well - some firewalls allow downloading a video but not streaming video.