Hello, please, send us more details regarding the problem.

Hello, install our Ummy Video Downloader program, using it you can download high quality video with sound: http://videodownloader.ummy.net/en/#what-block

Hello, please give us more details.

Hello, Could you please send a few links you can't download. We will check it out.

For the better understanding it'll be great to see a screenshot with the error.

Hello, in order to help you better I need the following information.
Please, send me the information listed here: http://en.savefrom.net/user.php?info=1
Could you please send a few links you can't download. We will check it out.
Do you download via the extension SaveFrom.net Helper or the website SaveFrom.net?
For the better understanding it'll be great to see a screenshot with the error.

Hello, we’d like to help you, but we will need some info about your browser and the installed extension first.
Please, go here http://en.savefrom.net/user.php?info=1
Copy the details that you see and send them back to us.
Please also send us some video links that you can’t download.
Thank you for contacting Savefrom.Net support !

Hello, unfortunately we can not influence this, downloading is done directly from Youtube.
It is the site Youtube gives with this name.

Hello, we’d like to help you, but we will need some info about your browser and the installed extension first.
Please, go here http://en.savefrom.net/user.php?info=1
Copy the details that you see and send them back to us.
Please also send us some video links that you can’t download.
Thank you for contacting Savefrom.Net support !

Hello, this site is not on the list of supported resources. The full list can be found here: http://en.savefrom.net

Hello, please give us more details.