What causes the 'IDM 403 Forbidden' error when downloading from YouTube?

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Grade: Education Subject: Support
What causes the 'IDM 403 Forbidden' error when downloading from YouTube?
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The 'IDM 403 Forbidden' error with Internet Download Manager (IDM) on YouTube typically occurs because YouTube's servers detect that IDM is attempting to download content in a way that violates their terms of service. This often happens when IDM's grabber is overly aggressive or when YouTube has implemented changes to its download protection mechanisms. It's a server-side response blocking the request.