Upgrade failed for the Ubuntu 14.04
2136
How to roll back Ubuntu to a previous version?
95807
Eclipse Luna update to 4.4.1 fails in Ubuntu 14 (32-bit)
77705
Unable to upgrade in ubuntu
16837
Unable to upgrade from 14.04 to 14.10 "Cannot Calculate Upgrades"
119169
Should I upgrade to 14.04 LTS?
35146
Will apt-get dist-upgrade upgrade my system to newer version?
24734
Google Chrome update won't install due to unmet dependencies
76248
"Failed to start session" after interrupted upgrade to 14.04
87236
How to upgrade Ubuntu 12.04 to 13.10?
11166
"Require Installation Of Untrusted Packages" while upgrading with the update manager
36696
Unmet dependencies unable to fix
112955
How can I upgrade Ubuntu from 19.10 to 20.04 without losing packages?
77062
Updates stopped and fix-broken install is broken
11579
Broken dependencies after upgrade
100000
QGIS update from 2.14 to 2.16 failed on Ubuntu 14.04
74990
Error while trying to upgrade from Ubuntu 18.04 to 18.10: "Please install all available updates for your release before upgrading."
153266
errors upgrading from 14.04 to 16.04 about Unknown Multi-Arch type for compiz, libkf5akonadisearch-bin packages