The first solution to VLC does not support the audio or video format 'undf' error is to check if your media file is incompletely downloaded or damaged. Read More How to Fix VLC Does Not Support UNDF Error Way 1. When you meet this problem, try the following 3 possible methods to fix it. “VLC does not support undf” error might be caused by different reasons like the codec of this file is not supported by VLC. 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. Unfortunately, there is no way for you to fix this”.

However, sometimes you may receive an error message that says “No suitable decoder module: VLC does not support the audio or video format “undf”. 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. Best Free Video Converter for Windows 11/10.How to Fix VLC Does Not Support UNDF Error.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.

Undf video format codec