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“”.