Got an error from Firefox saying :

Although the GNOME Shell integration extension is active, the native host connector is not recognized. Please consult the installation manual.

Which is an error that seems to never happen, I'm using Ubuntu 18.04 (Dual Boot Windows 10), and yes GNOME shell is installed via

sudo apt-get install chrome-gnome-shell

I'm using Firefox v64.0.2 (64 bits) snap.

Could someone help?

  • 1
    64.0.2 (64 bits) - ( I removed the one that come with it (but it didn't worked either at the time) for the newest ) . And yes i'm in a GNOME session : it echoed ubuntu:GNOME – Epistol Jan 21 at 22:45
  • Snap package comming with the Ubuntu software library yep – Epistol Jan 21 at 22:47

You don't need to install extensions from extensions.gnome.org as they are also available in 'Ubuntu Software' app.

Run Ubuntu Software, click add-ons, click extensions tab. Here you are able to install extensions.

  • Perfect, a bit messy interface to search in (no ranking) but as said by pomsky, hope they'll correct their bug. Thank you ! – Epistol Jan 21 at 22:57

Since you're using the snap version of Firefox 64.0.2, it's not unexpected given various restrictions of snappy.

This issue is already raised in snapcraft forum: https://forum.snapcraft.io/t/firefox-snap-is-unable-to-access-chrome-gnome-shell-connector/4562, but unfortunately no solutions were provided there.

Similar issue can be seen with the Chromium snap too: https://forum.snapcraft.io/t/chrome-gnome-shell-does-not-work-with-chromium-snap/3377/2
(see the bug-report)

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