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Video player on nbc.com and tenplay.com.au is "jerky."

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Playing video on nbc.com and tenplay.com.au is "jerky," even after reinstalling latest Adobe Flash and reinstalling Firefox 43. There is no problem with video on Microsoft Edge browser.

Playing video on nbc.com and tenplay.com.au is "jerky," even after reinstalling latest Adobe Flash and reinstalling Firefox 43. There is no problem with video on Microsoft Edge browser.

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Also did a reinstall of Java.