I can't watch nfl.com video's, some Youtube video's play, some just show a black screen. When I try to right click and turn off hardware exceleration the box doesn't appear, It says "copy url" etc. Version 11.4.402.265 seems to work fine in IE but in Firefox 14 it didn't work. I even tried the beta verision of 15. Still not working.
What can I do to get this working? I use Firefox all the time for everything and I don't want to switch.
I am an IT engineer and I've been on the internet for hours trying to get this fixed. Any help? I've attached a