I made a spot check of the first few crashes in the Error Tracker and curiously they all have:
ProcCmdline /usr/bin/python3 /usr/bin/update-manager --no-update -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826213 Title: /usr/bin/update-manager:AttributeError:/usr/bin/update- manager@118:start_update:start_available:refresh_cache:update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1826213/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs