I have downloaded some video and when I try to play on VLC it shows me:

No suitable decoder module:
VLC does not support the audio or video format "PRDY". 
Unfortunately there is no way for you to fix this.

No suitable decoder module:
VLC does not support the audio or video format "undf". 
Unfortunately there is no way for you to fix this.

Is there any way to fix this?

  • 2
    Related: superuser.com/questions/96794/what-format-is-undf . Bottom line, the codec embedded on the WMV file isn't supported on VLC. It should play natively with Windows Media Player, unless it is damaged. – Doktoro Reichard Jun 14 '14 at 10:45
  • @DoktoroReichard WMV embeds actual executable CODECs into the video file? Really? – Chloe Nov 14 '17 at 18:18

Let's look on this: http://www.headbands.com/gspot/ . This should help you to found out which codecs are missing, etc. Than you should download specific codecs for your media player.

I also found thread on one forum to VLC that it could be problem when you use 64-bit system. It is older thread but it maybe helps you: https://forum.videolan.org/viewtopic.php?t=39675

  • VLC doesn't require any external codecs so GSpot will not be useful. – Hind-D Jul 10 '14 at 21:36

Issue

Same issue reported at the following locations:

VideoLan Forums

Stream Recorder Forum

No answer included in the forum posts one from 2004 and one from 2010.

On the VLC forum it states:

VLC does NOT play everything and nowhere does it state it does so.

We don't support this codec, unfortunately.

Alternative Software

I personally use K-Lite Mega Codec Pack in conjunction with Media Player Classic HC, I cannot confirm it contains the relevant codecs for what you are trying to play however I have never had it fail.

K-Lite Coded Pack

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