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

Hello, most likely you have a change in the browser. 

That this may not be clear to us. Expansion is not to blame.

Hello, most likely you have a change in the browser. 

That this may not be clear to us. Expansion is not to blame.

Hello, install the extension from the extension store:
https://addons.mozilla.org/en-US/firefox/addon/savefromnet-helper/versions/

Hello, Reinstall the extension after an older version is uninstalled. The current version is 8.33:

https://addons.mozilla.org/en-US/firefox/addon/savefromnet-helper/versions/

Hello, what is the name of your browser?

Hello, do you download via the extension SaveFrom.net Helper or the website SaveFrom.net?

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.

Hello, there was an update with a bug fix.
Ummy Video Downloader OS Windows 1.10.4.​​​0
Ummy Video Downloader OS MAC 1.69
Please update or reinstall from our website: https://videodownloader.ummy.net

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.