Software Updater problem in 12.10
6809
How do I fix the GPG error "NO_PUBKEY"?
249
How do I fix this "E: Type '*' is not known on line * in source list ..." update error?
133
How can I fix a 404 Error when using a PPA or updating my package lists?
41519
What can I do if a package is not available on the newest version of Ubuntu (18.04) but is available on older versions?
112955
How can I upgrade Ubuntu from 19.10 to 20.04 without losing packages?
72082
Is using Software Updater the same thing as running apt-get update and apt-get upgrade?
119943
Where can I find a repository for older unsupported releases?
154072
Ubuntu 17.10 doesn't show up in update-manager
119920
Failed upgrade from Ubuntu 19.10 to 20.04 "Please update the microcode"
24165
Upgrade to version newer than repositories
10023
'Some index files failed to download' while updating
138044
How can I stop the Software Updater from nagging me to restart?
28650
`apt-get update` cannot find Ubuntu servers
94621
archive.ubuntu.com missing raring-updates
126740
Software & Updates crashes and will not open
142310
Ubuntu 12.04 software upgrade does not show 12.10 upgrade
112267
Can you help me with my software dependency issue?