Hello John,
We'll look into this & help you.
Could you let us know if you're experiencing this issue in a particular web browser or in all of them?
Also, temporarily disable your AVG Internet Security as mentioned in this article & check for the issue.
Keep us updated.
Video playback on some web has been disabled. (Including facebook) I simply can't playback video…
There's only sound and a blank green color screen.
Hello John,
We'll look into this & help you.
Could you let us know if you're experiencing this issue in a particular web browser or in all of them?
Also, temporarily disable your AVG Internet Security as mentioned in this article & check for the issue.
Keep us updated.