Right-click > Get Info . Look at the "More Info" section to see dimensions or origin. 3. Troubleshooting Playback Issues
Since the filename is randomized, you can check its origin by looking at the file's : 2286039-83eb339999eca13ae09ef7f604495bed.mp4
If the file was partially downloaded, it may be corrupted. Try downloading it again if it came from a website. Right-click > Get Info
If the file won't open, it may be due to one of the following: 2286039-83eb339999eca13ae09ef7f604495bed.mp4
Are you trying to this file from a specific app's cache, or did you download it from a specific website? How to play MP4 files in Windows - Microsoft Support