This is a workaround:-
sudo apt-get update sudo apt-get dist-upgrade sudo apt-get purge plymouth-theme-kubuntu-text sudo apt-get --reinstall install plymouth-theme-kubuntu-logo
N.B. May not always work.
This is a workaround:-
sudo apt-get update theme-kubuntu- text theme-kubuntu- logo
sudo apt-get dist-upgrade
sudo apt-get purge plymouth-
sudo apt-get --reinstall install plymouth-
N.B. May not always work.