Tried #3 and #5 but it didn't help. I attached the output 'gnome-software' prints when started. I think these bugs are related:
https://bugs.launchpad.net/bugs/1573052 https://bugs.launchpad.net/bugs/1573453 ** Attachment added: "output.log" https://bugs.launchpad.net/ubuntu/+source/gnome-software/+bug/1563155/+attachment/4645012/+files/output.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1563155 Title: No Application Data Found To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-software/+bug/1563155/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs