Ubuntu is a Linux distribution based on Debian and developed by Canonical.
Official documentation can be found at https://help.ubuntu.com/.
Contents
Troubleshooting
Fixing broken packages
Sometime you will get an error like: E: Unable to correct problems, you have held broken packages.
To solve, you can try installing aptitude and trying aptitude install <package>
The aptitude utility has more powerful conflict resolution abilities.
See issue: https://askubuntu.com/a/451078