
But probably you just downloaded some windows executable and there is no video related content in it. HelloVLC doesnt support audio or video format undf means it doesnt support the file type of the video or the video is corrupted and had problems when in. So in case you have an MP4 you will see some ftyp, moov, moof, mvhd. Most multimedia container like MP4 or AVI have some ASCII info at the beginning of the file. This will print first 30 lines of hexdump to the screen. Maybe then you can find out if there is some multimedia content in it: hexdump -C video.exe | head -30 You can use hexdump to take a look inside the first bytes of the file. plugins to load in order to process the video. In such cases, you would end up seeing “No suitable decoder module: VLC does not support the audio or video format undf” error in your PC.VLC does not know which demultiplexer / decoder / etc. The second reason for the UNDF error in VLC media player could be the lack of appropriate codec support to play the concerned file. However, one of the most common cause of this error is a corrupted media file or incomplete media file. So the first thing you should be doing is checking whether you have the working media file with you. In this article you will see how to fix VLC Media Player for each case above.Īs I said earlier, there is no direct answer to the question what causes the UNDF format error in the VLC player. Here is a list of probable reasons behind this error message:

What Causes VLC Does Not Support UNDF Format Error? When VLC Media Player is unable to recognize the file format, it would certainly throw the error message: “ No suitable decoder module: VLC does not support the audio or video format UNDF“”.
