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Why do I have to keep moving the mouse to keep a youtube video from stopping? I already have Firefox 27.0.1.

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I googled the problem, which seems to have occured in earlier versions of firefox, but I am still having this problem and am in 27.0.1 which seems to be the current version.

I googled the problem, which seems to have occured in earlier versions of firefox, but I am still having this problem and am in 27.0.1 which seems to be the current version.

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Please ensure that all of your plugins are up-to-date by running the Mozilla Plugin Check site.

If that does not fix the issue, please try disabling both the Flashplayer and Firefox hardware acceleration.
View these article for more details: