Why are my YouTube downloads using IDM in WebM or MP4 (no sound) instead of FLV or MP4 (with sound)?

July 20, 2014
Pinterest Stumbleupon Whatsapp

I used to download videos from YouTube using idman in flv format or mp4 but I don’t know what happened, now my idman download video on format webm or mp4 (with no sound), so I want from you to give a short fast solution, please!
Thank you :)

Ads by Google