I'm using a Macbook Pro 15" it's completely up to date. I've tried Chrome, Firefox and Safari (which are all at the most current version) and the problem is the same on all of them. My main problem is that embedded videos aren't playing. All I see is a black square where the video should be. I'm also experiencing other problems such as facebook not working. When I go to youtube's site the teaser images are black squares but I am still able to view the video.
I have tried installing the latest version of adobe flash player which hasn't helped. I have also made sure javascript is enabled.
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No the reset feature is only available on the most recent beta. Also I'm fairly sure that it won't fix my problem because, as mentioned above, the problem is the same for three different browsers.