Hello, Yes, we are aware of this issue. And doing our best to fix it ASAP.
Thanks for using our resources.
Best, SaveFrom.net Team

Hello! Our help will be more effective, if you copy and send us info about your browser and the Savefrom.Net extension:
http://en.savefrom.net/user.php?info=1
We'd also need some links you can't download (to test them).
For the better understanding it'll be great to see a screenshot with the error.
We are waiting for your reply, and thank you for contacting us Savefrom.net Team!

Hello, what kind of notifications? Can you describe in more detail?
Send a screenshot with the notification that comes from us.

Hello, please give us more details.

Отлично!

Если мы правильно поняли, вы не можете установить расширение в браузер, установите по этой ссылке:

http://download.sf-helper.com/mozilla/helper_last.html

Hello, in order to help you better 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! Our help will be more effective, if you copy and send us info about your browser and the Savefrom.Net extension:
http://en.savefrom.net/user.php?info=1
We'd also need some links you can't download (to test them).
For the better understanding it'll be great to see a screenshot with the error.
We are waiting for your reply, and thank you for contacting us Savefrom.net Team!

Thank you for the information.
Our developers will find out what could be the problem and try to fix it.