When playing a yahoo video on yahoo.ca I get the following message
We're sorry... We are experiencing technical difficulties. Please try again after a few minutes.
Often the commercial plays but the video does not.
I have tried installing mplayer and gecko-mediaplayer plugin
I have a home WiFi connection ,Not using a proxy, and computers firewall is off.
I have a aspire 1551-3671 with ubuntu 12.04 and firefox