Removing ksmserver-trinity ...
Removing 'diversion of /usr/bin/plasma to /usr/bin/plasma.kde4 by ksmserver-trinity'
dpkg-divert: error: rename involves overwriting `/usr/bin/plasma' with
  different file `/usr/bin/plasma.kde4', not allowed
dpkg: error processing ksmserver-trinity (--remove):
 subprocess installed post-removal script returned error exit status 2
No apport report written because MaxReports is reached already