$ sudo apt-get dist-upgrade
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
12 not fully installed or removed.
Need to get 0B of archives.
After unpacking 0B of additional disk space will be used.
Do you want to continue [Y/n]? 
Setting up compiz-plugins (0.3.6-1ubuntu9) ...
/var/lib/dpkg/info/compiz-plugins.postinst: 11: gconf-schemas: not found
dpkg: error processing compiz-plugins (--configure):
 subprocess post-installation script returned error exit status 127
Setting up compiz-gtk (0.3.6-1ubuntu9) ...
/var/lib/dpkg/info/compiz-gtk.postinst: 6: gconf-schemas: not found
dpkg: error processing compiz-gtk (--configure):
 subprocess post-installation script returned error exit status 127
dpkg: dependency problems prevent configuration of compiz-gnome:
 compiz-gnome depends on compiz-gtk (= 1:0.3.6-1ubuntu9); however:
  Package compiz-gtk is not configured yet.
dpkg: error processing compiz-gnome (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of compiz:
 compiz depends on compiz-plugins; however:
  Package compiz-plugins is not configured yet.
 compiz depends on compiz-gtk; however:
  Package compiz-gtk is not configured yet.
 compiz depends on compiz-gnome; however:
  Package compiz-gnome is not configured yet.
dpkg: error processing compiz (--configure):
 dependency problems - leaving unconfigured
Setting up evolution (2.10.0-0ubuntu2) ...
/var/lib/dpkg/info/evolution.postinst: 11: gconf-schemas: not found
dpkg: error processing evolution (--configure):
 subprocess post-installation script returned error exit status 127
dpkg: dependency problems prevent configuration of evolution-plugins:
 evolution-plugins depends on evolution (>= 2.10.0); however:
  Package evolution is not configured yet.
dpkg: error processing evolution-plugins (--configure):
 dependency problems - leaving unconfigured
Setting up gnome-games-data (2.18.0.1-0ubuntu1) ...
/var/lib/dpkg/info/gnome-games-data.postinst: 11: gconf-schemas: not found
dpkg: error processing gnome-games-data (--configure):
 subprocess post-installation script returned error exit status 127
dpkg: dependency problems prevent configuration of gnome-games:
 gnome-games depends on gnome-games-data (= 1:2.18.0.1-0ubuntu1); however:
  Package gnome-games-data is not configured yet.
dpkg: error processing gnome-games (--configure):
 dependency problems - leaving unconfigured
Setting up gnome-session (2.18.0-0ubuntu2) ...
/var/lib/dpkg/info/gnome-session.postinst: 17: gconf-schemas: not found
dpkg: error processing gnome-session (--configure):
 subprocess post-installation script returned error exit status 127
Setting up gthumb (2.10.0-0ubuntu1) ...
/var/lib/dpkg/info/gthumb.postinst: 42: gconf-schemas: not found
dpkg: error processing gthumb (--configure):
 subprocess post-installation script returned error exit status 127
Setting up gwget (0.98.1-2ubuntu1) ...
/var/lib/dpkg/info/gwget.postinst: 11: gconf-schemas: not found
dpkg: error processing gwget (--configure):
 subprocess post-installation script returned error exit status 127
Setting up libgksu2-0 (2.0.3-3ubuntu5) ...
/var/lib/dpkg/info/libgksu2-0.postinst: 8: gconf-schemas: not found
dpkg: error processing libgksu2-0 (--configure):
 subprocess post-installation script returned error exit status 127
Errors were encountered while processing:
 compiz-plugins
 compiz-gtk
 compiz-gnome
 compiz
 evolution
 evolution-plugins
 gnome-games-data
 gnome-games
 gnome-session
 gthumb
 gwget
 libgksu2-0
E: Sub-process /usr/bin/dpkg returned an error code (1)