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    1. How to fix undf error in vlc

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      6. Fix VLC Does Not Support the Audio or Video Format Under “UNDF”

      Have you ever meet an error saying “VLC does not support the audio or video format "undf" in VLC Media Player? How to fix this issue?

      This post from MiniTool offers 3 possible ways.

      What Is UNDF Format?

      VLC is a free and open-source media player, and most people use VLC as the default player to open video or audio files because it supports most of media file formats.

      However, sometimes you may receive an error message that says “No suitable decoder module: VLC does not support the audio or video format “undf”.

      Unfortunately, there is no way for you to fix this”.

      UNDF refers to an underdefined file format and this message means that VLC Media Player can’t recognize this file so it fails to play it.

      “VLC does not support undf” error might be caused by different reasons like the codec of this file is not supported by VLC.

      When you meet this problem, try the following 3 possible methods to fix it.

      How to Fix VLC Does Not Support UNDF Error

      Way 1. Check the Media File

      The first solution to VLC does not support t