It seems that apt-index-watcher is conflicting with adept-* here is what happened when you try to install apt-index-watcher after updates are complete.
The following packages will be REMOVED:
adept adept-batch adept-common adept-installer adept-manager adept-notifier
adept-updater debtags kubuntu-desktop language-selector-qt
The following NEW packages will be installed:
apt-index-watcher
0 upgraded, 1 newly installed, 10 to remove and 0 not upgraded.
It seems that apt-index-watcher is conflicting with adept-* here is what happened when you try to install apt-index-watcher after updates are complete.
The following packages will be REMOVED: selector- qt
adept adept-batch adept-common adept-installer adept-manager adept-notifier
adept-updater debtags kubuntu-desktop language-
The following NEW packages will be installed:
apt-index-watcher
0 upgraded, 1 newly installed, 10 to remove and 0 not upgraded.