i can't download now from you tube

Hello, in order to help you better I need the following information.

Please, let me know me the name and version of your browser and version of the extension, all can be found using the following link: http://en.savefrom.net/user.php?info=1

Do you download via the extension SaveFrom.net Helper or the website SaveFrom.net?

Please, send to me a link to a video that will not be downloaded.