It also includes the source and the website where you downloaded the file from. First of all, it mostly occurs because of corrupted or incomplete files. When VLC shows the UNDF error, it could be because of either reason. Read this article to know the 6 Best Ways To Stop If VLC Keeps Crashing In Windows 10 What Causes VLC Does Not Support UNDF Format Error?Īs I said, there is no specific answer to why it occurs. Here, in this guide, you will learn different solutions you can try out to fix the same. Suppose you face the same problem with your VLC player no need to worry because you are at just the right place. There’s no specific answer to why it happens, but it primarily occurs due to the lack of codec support to play the particular file. When VLC player shows it, it means that the VLC player is unable to recognize the file format. UNDF is nothing but an error code which means the file you are trying to open has an undefined file format. 3.3 Download Combined Community Codec Pack.3 How To Fix VLC Does Not Support UNDF Format?.2 What Causes VLC Does Not Support UNDF Format Error?.

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