No Suitable Decoder Module: VLC Does Not Support The Format Undf

When trying to play a file in VLC player, you get this error:

No suitable decoder module:

VLC does not support the audio or video format “undf”. Unfortunately there is no way for you to fix this.

Fortunately there’s a way to fix this, it’s just that VLC doesn’t know how :)

Undf stands for undefined, so basically the No suitable decoder module error is saying that there is no way to fix this because VLC doesn’t know what format the codec is and therefore cannot download the correct one.

To fix this, try downloading a codec pack, such as Mega Codec Pack or similar. These packs contain a wide range of codecs and you might get lucky :)

If this doesn’t fix the error and you’re still getting VLC does not support the audio or video format “undf”, try playing the file using another player that comes with built in codecs and automatic codec search, such as GOM Player.

If all of the above don’t fix this, then the audio or video file may be corrupt, in which case there really is no way for you to fix this.

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