Hi cant download video from you tube - extention not from crome web store - please help

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

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

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