This bug was fixed in the package ubuntu-release-upgrader - 1:15.04.14.1
--------------- ubuntu-release-upgrader (1:15.04.14.1) vivid; urgency=medium
* Fix upgrader kde frontend fails to start LP: #1488843
-- Jonathan Riddell <email address hidden> Wed, 26 Aug 2015 13:14:23 +0100
This bug was fixed in the package ubuntu- release- upgrader - 1:15.04.14.1
--------------- release- upgrader (1:15.04.14.1) vivid; urgency=medium
ubuntu-
* Fix upgrader kde frontend fails to start LP: #1488843
-- Jonathan Riddell <email address hidden> Wed, 26 Aug 2015 13:14:23 +0100