A free tool that shows you exactly what codec and bitrate the file uses. If it shows "No video stream," the file is empty.
Right-click and check "Properties." If it is 0KB or significantly smaller than expected, the transfer failed. 0197 - What's wrong with my even…ar- 4K.mp4
Many 4K files use the HEVC codec. If you are on Windows, you may need the HEVC Video Extensions from the Microsoft Store. A free tool that shows you exactly what
Symbols or long paths can prevent media players from "hooking" the file. 2. Broken File Headers 0197 - What's wrong with my even…ar- 4K.mp4