The package system is broken error during Ubuntu package update
3257
dpkg error: "trying to overwrite file, which is also in..."
8526
Upgrading from Ubuntu 16.04 to 18.04 broke the system completely!
11166
"Require Installation Of Untrusted Packages" while upgrading with the update manager
93827
Unable to locate package libsystemd-dev
104506
How to repair corrupt package installation (mysql)
1632
How do I fix a "Failed to download package files" error?
4450
How can I reproduce the error "package... needs to be reinstalled, but I can't find an archive for it" for testing?
29326
Can't install a package due to "Something wicked happened resolving" error
13054
Failing package manager?
1520
How to install software or upgrade from an old unsupported release?
93942
How to fix "Failed to download repository information" error while updating?
108176
Ubuntu 16.04 broken kernel packages won't let me install or remove anything with apt-get
145917
Removing broken packages on distro update (13.04 to 13.10)
11579
Broken dependencies after upgrade
11671
"Unable to locate package" while trying to install packages with APT
135597
Software from Ubuntu Software broken after install
37798
Fix half-installed package