The pointer by Pete toward a more global approach was helpful and led me to run
a 'fixfiles check'. This revealed lots of contexts needing restoration,
particularly in my home directory. Seems to suggest that running fixfiles is a
good preventive measure to perform regularly.
It was also sugg
Have a Fedora 26 laptop which I update on a weekly basis by sudo from my
regular account. After applying a batch of updates, including a new kernel, I
rebooted. At the login screen I entered my standard login credentials but
Plasma did not launch and it dropped back to the login screen.
I tri
