Removing unity-2d-panel (5.14.0-0ubuntu2) ...
Purging configuration files for unity-2d-panel (5.14.0-0ubuntu2) ...
Removing unity-common (5.20.0-0ubuntu3) ...
Purging configuration files for unity-common (5.20.0-0ubuntu3) ...
dpkg: warning: while removing unity-common, directory '/etc/compizconfig/upgrades' not empty so not removed
Removing valgrind (1:3.10~20140411-0ubuntu1) ...
Purging configuration files for valgrind (1:3.10~20140411-0ubuntu1) ...
Removing xaw3dg:i386 (1.5+E-18.2) ...
Purging configuration files for xaw3dg:i386 (1.5+E-18.2) ...
Removing xchat (2.8.8-3ubuntu12) ...
Purging configuration files for xchat (2.8.8-3ubuntu12) ...
Removing xmms2tray (0.5.1-2) ...
Purging configuration files for xmms2tray (0.5.1-2) ...
Processing triggers for menu (2.1.46ubuntu1) ...
Processing triggers for initramfs-tools (0.103ubuntu4.3) ...
update-initramfs: Generating /boot/initrd.img-3.13.0-88-generic
Errors were encountered while processing:
 nvidia-343
 nvidia-346