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Sometimes when watching videos on YouTube, I can't hear the audio.

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Sometimes when watching videos on YouTube or other sites, I can't hear the audio. But if I use IE, the audio can be heard. This problem happens often enough to get annoying.

Sometimes when watching videos on YouTube or other sites, I can't hear the audio. But if I use IE, the audio can be heard. This problem happens often enough to get annoying.

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Your above posted system details show outdated plugin(s) with known security and stability risks.

  • Shockwave Flash 9.0 r115

Update the Flash plugin to the latest version.