1.6.3/bin/-linux-64 install -systemīut then in the plugin does not work (tried restarting firefox, reinstalling plugin, etc.). When the app installs, it reports that it's installed correctly: # sudo.
deb package as per the instructions on OMG Ubuntu install Firefox as a.
Suspecting it was the sand-boxing used in the Firefox snap package, I removed that and used the. (I did not find a satisfactory answer in this related question.) However since I upgraded to Ubuntu 22.04 it can not ever find the 'Companion App' it needs to work. The venerable Firefox Plugin ' Video Download Helper' has been a mainstay of internet video downloading for years.
