Can't upgrade ubuntu 12.04 to 14.04 (Package dependencies cannot be resolved)
3298
How do I resolve unmet dependencies after adding a PPA?
109677
How do I to resolve unmet dependencies to uninstall and reinstall package
100494
Update Manager asking me to update kernel but apt-get upgrade does not?
87236
How to upgrade Ubuntu 12.04 to 13.10?
98844
upgrade 14.04 with errors and shows red sign on top
30838
How to install specific Ubuntu packages, with exact version?
23096
How to remove obsolete packages after failed release upgrade via do-release-upgrade on Ubuntu?
33651
How to upgrade from Ubuntu 12.10 to 14.04
85724
Cannot update/get any packages. gedit not installed
12578
How do I upgrade to a newer version of Ubuntu?
65099
Unable to install any updates through update manager/apt-get upgrade
20398
dpkg broken after 15.04 upgrade fail
73357
Every package "has no installation candidate"
19749
How to debug an unmet dependencies problem?
89182
Dependency is not satisfiable: libtiff4 when trying to install Lightworks on Ubuntu 14.04
29326
Can't install a package due to "Something wicked happened resolving" error
124502
how to resolve unmet dependencies and file collisions due mixing diferent repositories?