Problems when trying to upgrade from 10.04 to 12.04
3298
How do I resolve unmet dependencies after adding a PPA?
16837
Unable to upgrade from 14.04 to 14.10 "Cannot Calculate Upgrades"
26387
After Upgrade to Ubuntu 20.04: "Oh no! Something went wrong"
65099
Unable to install any updates through update manager/apt-get upgrade
59088
How to upgrade to a newer release of Ubuntu using the Live CD?
135383
Unable to update my system Ubuntu13.04: Getting message - requires installation of untrusted packages
11579
Broken dependencies after upgrade
12578
How do I upgrade to a newer version of Ubuntu?
98421
How will people upgrade from 12.10 to later releases after 13.04 is EOL?
113056
How to upgrade from 12.04 to 12.10 using CD?
63176
How can I update to Ubuntu 21.04?
30754
Cannot update: "No available releases found"
83107
12.04 continuously offering partial upgrade
80794
Ubuntu 18.04 stuck at upgrading linux-header
72152
Upgrading 16.04 to 16.04.1
112955
How can I upgrade Ubuntu from 19.10 to 20.04 without losing packages?
23096
How to remove obsolete packages after failed release upgrade via do-release-upgrade on Ubuntu?