In my case, it could be because "Ubuntu Software" is really "snap-store" and for some reason, it can't install it from that directory. Could be that the problem is on snap-store and not in Firefox?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1908469 Title: Cannot install .deb packages opened from Firefox To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1908469/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
