As Matthias said - aptd only acquires the lock when required so it is perfectly safe to have both running. If anything, this is a bug in synaptic - it should be able to run without holding the lock the whole time.
** Changed in: gnome-software (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-software in Ubuntu. https://bugs.launchpad.net/bugs/1552802 Title: Can have synaptic and gnome software running concurrently To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-software/+bug/1552802/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs