>I'm running Win 8.1 and regularly get a green screen when trying to play videos
>A restart will fix it, but just for a while.
>I seem to have fixed Facebook but adding the site to compatibility settings, but that doesn't work for other sites.
>I'm use the latest IE and have the same problem with Firefox. Web users report the same issue with Chrome.
>I've googled this ad nauseum and can't get a fix.
>Any ideas?

I would try to install different video codec's