# I started to search for a solution at : http://askubuntu.com/questions/33728...libtiff4i386-l
# Then I tried at: https://answers.launchpad.net/ubuntu...uestion/234771
# ...
# My system:
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 12.04.3 LTS
Release: 12.04
Codename: precise
# Some trials:
$ sudo apt-get update
$ sudo apt-get -f install
$ sudo dpkg --configure -a
$ sudo dpkg --purge libtiff4
$ sudo apt-get --reinstall install libtiff4
$ sudo apt-get install libtiff4:i386
$ sudo apt-get autoclean
$ sudo apt-get autoremove
$ sudo apt-get -f install
# An overview:
$ sudo apt-get -u dist-upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
libqtgui4:i386 : Depends: libtiff4:i386 but it is not installed
E: Unmet dependencies. Try using -f.
$ sudo apt-get -o Debug::pkgProblemResolver=yes dist-upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
libqtgui4:i386 : Depends: libtiff4:i386 but it is not installed
E: Unmet dependencies. Try using -f.
$ sudo apt-get remove libqtgui4:i386
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these:
The following packages have unmet dependencies:
libqt4-declarative:i386 : Depends: libqtgui4:i386 (= 4:4.8.1-0ubuntu4.4) but it is not going to be installed
libqtwebkit4:i386 : Depends: libqtgui4:i386 (>= 4:4.8.0) but it is not going to be installed
skype:i386 : Depends: libqtgui4:i386 (>= 4:4.8.0) but it is not going to be installed
Recommends: sni-qt:i386 but it is not going to be installed
Recommends: libasound2-plugins:i386 but it is not going to be installed
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).
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