ffprobe output video: png?

ffprobe is telling me that my video file is a png. [png_pipe @ 0x7f9ece003c00] Stream #0: not enough frames to esti...

ffprobe or avprobe not found. Please install one?

i want to add tags to mp3 converted by youtube-dl & ffmpeg : youtube-dl -o '/Output/qpgTC9MDx1o.mp3' qpgTC...