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Using the most up to date Firefox (16.0.2), and Adobe Flash. Whenever I go to any youtube video or flash video on another page, Firefox starts the video, but only plays the audio, and then when I make any click on anywhere within Firefox, it gets completely stuck. It freezes and the only way to get it to close is to go to task manager.

I restarted in Safe Mode and it did the same thing.

Windows 7 64 bit.

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Is you're youtube using HTML5 Video? Try enabling HTML5 video in your youtube preferences. –  ACarter Nov 11 '12 at 21:54

1 Answer 1

Fixed by going into Firefox->Add Ons and disabled "Shockwave Flash" completely.

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