Hello. Thank you for contacting Ummy Video Downloader support team.Our assistance will be more effective, if you provide us the following information. What version of the program do you use (it can be found in "About" menu) Please, send us some links which you can't download. Are you using a proxy? What is your Operating System? Please, send us screenshots, when attempting to download with Ummy Video Downloader. Do you you have free space on your hard drive?
We are grateful for the information provided.
Customer support service by UserEcho