Ubuntu 14.04 Update Failure
10193
Failed to download repository information due to missing CDROM
9322
Software Updater Issue 16.04
46720
sudo apt update error: "Release file is not yet valid"
3555
Steam Install Error on 14.04 Ubuntu 64bit
98844
upgrade 14.04 with errors and shows red sign on top
12534
14.04 --> 16.04 failed; apt (>= 1.0.1ubuntu2.13)' is not installed
77705
Unable to upgrade in ubuntu
5877
"Failed to fetch" while updating
122588
Can't connect to ubuntu archive when using apt-get update
12614
Upgrade problem
45921
VLC will not install 14.04
4305
How do I fix a "Problem with MergeList" or "status file could not be parsed" error when trying to do an update?
107792
Update information outdated, "Failed to fetch cdrom"
36696
Unmet dependencies unable to fix
23096
How to remove obsolete packages after failed release upgrade via do-release-upgrade on Ubuntu?
13970
Why am I not getting the Ubuntu 18.04 upgrade?
95593
sudo apt-get update returns an error