dpkg: libprocessui5: dependency problems, but removing anyway as you requested:
 ksysguard depends on libprocessui5.

(Reading database ... 197662 files and directories currently installed.)
Removing libprocessui5 (4:5.2.2-0ubuntu1) ...
Processing triggers for libc-bin (2.21-0ubuntu4) ...
(Reading database ... 197660 files and directories currently installed.)
Preparing to unpack .../libtaskmanager5_4%3a5.2.95-0ubuntu1~ubuntu15.04~ppa1_amd64.deb ...
Unpacking libtaskmanager5 (4:5.2.95-0ubuntu1~ubuntu15.04~ppa1) over (4:5.2.2-0ubuntu3) ...
dpkg: libksgrd5: dependency problems, but removing anyway as you requested:
 ksysguard depends on libksgrd5.

(Reading database ... 197657 files and directories currently installed.)
Removing libksgrd5 (4:5.2.2-0ubuntu1) ...
dpkg: libprocesscore5: dependency problems, but removing anyway as you requested:
 ksysguard depends on libprocesscore5; however:
  Package libprocesscore5 is to be removed.

Removing libprocesscore5 (4:5.2.2-0ubuntu1) ...
dpkg: libksignalplotter5: dependency problems, but removing anyway as you requested:
 ksysguard depends on libksignalplotter5; however:
  Package libksignalplotter5 is to be removed.