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Since Mavericks installed Download Helper no longer works with YouTube

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Download helper now downloads empty files with no content, in both .flv and .mp4 formats.

Download helper now downloads empty files with no content, in both .flv and .mp4 formats.

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You can contact the Add-on manager for that.

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The add-ons listed here have been created by thousands of developers from our community, ranging from individual hobbyists to large corporations. All publicly listed add-ons are reviewed by a team of editors before being released.