I can neither install or uninstall packages. What can I do about it?
3298
How do I resolve unmet dependencies after adding a PPA?
112870
How can I remove all build dependencies for a particular package?
20530
"package is in a very bad inconsistent state - you should reinstall it before attempting configuration."
102559
How to install package from newer distribution?
109624
How do I tell apt to never upgrade a particular package?
54684
File corrupted, how do I reinstall packages on Debian?
1520
How to install software or upgrade from an old unsupported release?
53588
How do remove the CD / DVD install as a source for apt-get packages when installing new features?
72142
How to install a package with apt without the "Do you want to continue [Y/n]?" prompt?
23096
How to remove obsolete packages after failed release upgrade via do-release-upgrade on Ubuntu?
55239
Cannot install packages in Mint: "Unable to fetch some archives"
67465
How do you completely remove ubuntu-desktop along with all installed packages with it?
16736
"The following packages have been kept back:" Why and how do I solve it?
28979
Ubuntu system is broken after accidentally uninstalling many packages
41844
Package Install via Market sometimes fails and gives seemingly random error message
77062
Updates stopped and fix-broken install is broken
43579
I cannot install new packages: "Could not get lock /var/lib/dpkg/lock"