No Flash Audio Windows 7 IE10 Flash 11.8.800

I followed all of the steps outlined on the Adobe Help Page http://helpx.adobe.com/flash-player/kb/flash-player-games-video-or.html

The audio still doesn't work.

Note that I tried to view a video that worked successfully about 2 months ago.

I called Adobe support and they said that the problem is with the video and not with the Flashplayer product.

I also don't get to hear audio on Youtube videos and I was able to hear audio on Youtube videos 2 months ago.

I have not installed any new hardware or software (just the Windows monthly updates).

What is the solution to this problem?  I like watching and listening to Youtube videos.