1. Name and the version of your browser
2. The version of the installed Helper
3. Link to the file that can not be downloaded (in case if the problem is in downloading)
Browser and SaveFrom.net Helper versions can be found here: http://ru.savefrom.net/user.php?info=1

รบกวนผู้ใช้งานคอมพิวเตอร์ เพราะส่งป๊อบอัพมารบกวนบ่อยมากๆๆๆๆๆๆ
กรุณาอย่าส่งมาอีกครับเบื่อการรบกวนมากๆๆๆๆ

Hello, please give us more details.
For the better understanding it'll be great to see a screenshot with the error.

Hello, Could you please send a few links you can't download. We will check it out.
For the better understanding it'll be great to see a screenshot with the error.

Hello, it's not our fault that youtube decided to get rid of 3gp . There is nothing we can do about it.

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
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?
For the better understanding it'll be great to see a screenshot with the error.

I can't download from bilibili. I receive message that "Savefrom.net does not support downloading from this website"!

Hello, Could you please send a few links you can't download. We will check it out.
Сервис поддержки клиентов работает на платформе UserEcho