If you are having trouble playing or using "11837.mkv.mp4," try these steps:
If you use Plex or Emby, "11837" might be the internal ID for a specific movie or TV episode in the software's library. 11837.mkv.mp4
The most striking feature is the suffix .mkv.mp4 . This usually happens in one of two scenarios: If you are having trouble playing or using "11837
Surveillance systems often export clips with numeric timestamps or database IDs like "11837." 11837.mkv.mp4
Open it with VLC Media Player . VLC ignores the extension and looks at the actual data bits to play the file.