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

You are probably using Google Chrome.
Go to Tampermonkey settings, enable Advance settings mode -> Downloads BETA -> Download Mode: browser api.
Restart TM – everything should be working.

Hello.

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

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

We'd also need some links you can't download (to test them). 

Please, send me the information listed here: http://en.savefrom.net/user.php?info=1

Hello, 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?

Please, send me the information listed here: 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). 

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.
We are waiting for your reply, and thank you for contacting us Savefrom.net Team!

Hello, thank you for contacting support in Savefrom.Net
This bug is known to us, we will try to fix in the nearby future.