How to fix "Can't play" in VLC, QuickTime, Windows Media Player
Can't play. This file isn't playable. That might be because the file type is unsupported, the file extension is incorrect, or the file is corrupt. 0xc00d36c4
What this error means
Windows could not play the file: the codec is not supported, the extension is wrong, or the file is damaged.
Why it happens
- Video recorded with a codec Windows lacks (such as HEVC)
- Wrong extension
- Cut-off or damaged file
How to fix it
- Try VLC Media Player, which includes most codecs
- Run the free check here — it tells you whether the file is damaged or just unsupported
About MP4 video files
An MP4 is built from boxes ("atoms"): the video and sound data in an mdat box, and an index in a moov box that tells players where every frame is. Without a complete index, players cannot play anything — but the raw video data is usually still in the file.