Hello, we are more than eager to help you. But in order to do that, we’ll need an additional info from you.The version of the program (version can be found in Settings "About").Your OS.Send us some video links you can’t download – we will check them.Can you watch youtube videos in the browser before you are trying to download it?Do you use any proxy? What’s your country?Are you using a paid Ummy Video Downloader version? Please, send some screenshots of the app showing how you download a video.We will help you right after receiving this info from you.
I am facing similar problem. My ummy is updated to the latest version, I am using the latest version of macOS, and I am using the paid ummy version. Attached you will see the message I am getting.
Hello, please write to this address about your problem: firstname.lastname@example.org
Customer support service by UserEcho