Fsdss-027.mkv.mp4

What is the with the file (e.g., won't play, wrong format)? What device are you trying to play it on? With more details, I can provide a more tailored solution.

A versatile container format that can hold unlimited video, audio, picture, or subtitle tracks in one file. Often used for high-definition video [1]. FSDSS-027.mkv.mp4

Use Windows Defender or Malwarebytes to scan the file before opening it to ensure it is not a disguised executable file [6]. What is the with the file (e