Никакого видео с ВК-видео он не скачивает.

only version 10.42 is working carefully .
for use installing of this

addons.mozilla.org/firefox/downloads/file/4453803/savefromnet_helper-10.42.xpi

bagus

buena la aplicacion

The 1 star is because it stopped working in Germany -- still works intermittently elsewhere via VPN

Download Button shows up on Youtube, but doesn't always give download options.