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videos downloaded with download helper have no audio

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When I download a video using download helper, the video plays fine but there is no audio. What do I need to do to fix that?

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I assume you are talking about the Video DownloadHelper add-on?

If you are, it's usually best to reach out directly to the add-on developers for help. Only a few add-ons are actually developed and maintained by Mozilla. The others are owned by independent third-party developers.

The developers offer this website for support with their add-on.

Hope this helps.

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