It used to work with Ubuntu 16.04, but after updating to 16.04.3 and the latest software updates (with the newest version of gnome-software) the issue has re-appeared again. I can't install any .deb packages anymore. I was able to replicate this issue on 2 clean VMs, so it's not just my computer.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1672424 Title: Cannot install Debian files outside of the repositories To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-release-notes/+bug/1672424/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs