I've got a bunch of machines that I've updated to Fedora 31 from a previous version using dnf: <https://docs.fedoraproject.org/en-US/quick-docs/dnf-system-upgrade/> On several machines I get a scary notification error message every time I boot. Software Updates Failed Error calling StartServiceByName for org.freedesktop.fwupd: Timeout was reached This is a known bug with fwupd that has been fixed. But it seems to not be fixed enough. There is a work-around: sudo dnf autoremove That not only fixes/avoids the bug, but on my systems gets rid of a lot of packages that I didn't install and are no longer needed. Summary: just do autoremove and things will be better.