Update Manager issues
90512
Upgrading from 12.10 WUBI install to 13.04
133137
"Problem with MergeList /var/lib/apt/lists/repository.spotify.com" while updating the list
158791
Bogus message from automatic updates
46720
sudo apt update error: "Release file is not yet valid"
35190
"Software Updater" & "Software & Updates" not working
47010
How can update-manager update without the root password?
64509
Can't update from official repositories [Error 409]
4305
How do I fix a "Problem with MergeList" or "status file could not be parsed" error when trying to do an update?
11166
"Require Installation Of Untrusted Packages" while upgrading with the update manager
79080
Disable Ubuntu Update Manager's new version warning
94171
Why Does Software Updater Say No updates Available, but apt-get upgrade Shows updates available?
129101
Upgrading Ubuntu 9.04 to 9.10 when Update Manager doesn't let you
80106
How do I enable automatic updates?
130118
Ubunutu 18.04 Updates 404 error
107792
Update information outdated, "Failed to fetch cdrom"
15687
How do I resume a release upgrade?
53336
Set Update Manager to install to sites/all/modules/contrib?