$ sudo apt-get -f install && apt-get autoremove
[sudo] password for dhamma:
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  imlib11 libportaudio2 libwxgtk2.4-1 libswfdec0.3 libflac++5c2 liboggflac3
  armagetron-common guile-g-wrap libpostproc0d libavformat0d libsnack2 libffi4
  tile python-qt3 tcllib libaudacious4 python-sip4 libdb3 guile-library
  libffi4-dev libgoffice-0-3 libgwrap-runtime0-dev libcrypto++5.2c2a
  liblzo-dev tcl8.5 g-wrap imlib-base tk8.5 libavcodec0d libquicktime0
  libgwrap-runtime0
Use 'apt-get autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
4 not fully installed or removed.
Need to get 0B of archives.
After unpacking 0B of additional disk space will be used.
Setting up acpid (1.0.4-5ubuntu8) ...
 * Loading ACPI modules...                                               [ OK ] 
 * Starting ACPI services...                                                    invoke-rc.d: initscript acpid, action "start" failed.
dpkg: error processing acpid (--configure):
 subprocess post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of acpi-support:
 acpi-support depends on acpid (>= 1.0.4-1ubuntu4); however:
  Package acpid is not configured yet.
dpkg: error processing acpi-support (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of powermanagement-interface:
 powermanagement-interface depends on acpi-support (>= 0.17); however:
  Package acpi-support is not configured yet.
dpkg: error processing powermanagement-interface (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of ubuntu-desktop:
 ubuntu-desktop depends on acpi-support; however:
  Package acpi-support is not configured yet.
 ubuntu-desktop depends on acpid; however:
  Package acpid is not configured yet.
 ubuntu-desktop depends on powermanagement-interface; however:
  Package powermanagement-interface is not configured yet.
dpkg: error processing ubuntu-desktop (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 acpid
 acpi-support
 powermanagement-interface
 ubuntu-desktop
E: Sub-process /usr/bin/dpkg returned an error code (1)