Hello, Reinstall the extension after an older version is uninstalled. The current version is 7.7:
http://en.savefrom.net/user.php#helper_install

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, to be able to help you I need more information.
The name and version of your browser (the version you can see in the menu "About browser").

The extension version can be found in the extension menu (click the green arrow).

Hello, you can download Facebook video.

Hello, It’s not really clear why you are contacting us.

Could do possibly give me come more details?

Thanks.

Привіт, як назва вашого браузера і з якого сайту ви завантажуєте?

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.

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

Thank you for contacting Savefrom.Net support !

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

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

We've fixed the problem with not downloading Youtube videos.
Please, update your Ummy versions to the newest one - 1.7.2.5.

Thank you for using Ummy Video Downloader!