[kubuntu] Interupted upgrade works but still has: 1228 not fully installed or removed

Code:

apt-get update && apt-get upgrade
. . . many lines omitted
Errors were encountered while processing: cron initscripts procps udev initramfs-tools-core initramfs-tools brltty bluez plymouth plymouth-theme-ubuntu-text plymouth-theme-kubuntu-text plymouth-label plymouth-theme-kubuntu-logo mountall upstart uuid-runtime apache2 cmake cups-daemon gitweb apparmor lightdm mysql-server-5.7 snap-confine ubuntu-core-launcher alsa-utils ubuntu-drivers-common whoopsie sendmail-bin libsolid4 libkio5 libakonadi-kde4 libakonadi-kmime4 libbaloofiles4 libkabc4 libkemoticons4 libkpimutils4 libkparts4 libkdewebkit5 libknewstuff3-4 libplasma3 baloo-utils libktexteditor4 libkatepartinterfaces4 katepart kdoctools libkde3support4 libkfile4 libkhtml5 kdelibs5-plugins plasma-scriptengine-javascript
Processing was halted because there were too many errors.
E: Sub-process /usr/bin/dpkg returned an error code (1)

Code:

apt-get --force-yes install cron
Reading package lists... Done
Building dependency tree
Reading state information... Done
cron is already the newest version (3.0pl1-128ubuntu2).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1228 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] n