Can't use smart update (Delta update)
29853
Why app updates download entire app instead of only "updates"?
101779
'Invalid update: invalid number of rows in section 0
5877
"Failed to fetch" while updating
93942
How to fix "Failed to download repository information" error while updating?
52742
How to cancel updates in Windows 10?
145400
Error when trying sudo apt-get update - Python related?
111573
What's the best way to re-enable PPAs/repos after an upgrade?
147700
Samsung Galaxy S4 SCH-I545 official updates via Kies fails with: "Software update is temporarily unavailable. Try again later."
149984
Can't update or install anything. Ubuntu 3.11.0.14
87680
How to reverse '-proposed' channel package upgrade?
158145
A software update is required to use this startup disk - does not update
64744
Restarted computer during update; "the system network service is not compatible with this version"
146675
Error 101: Network is unreachable when trying to update
36529
How to revert an update?
40885
What should I do when I got the KEYEXPIRED error message after an apt-get update?
85958
Automatic updates are not auto-downloading
140771
Can't update Developer Tools on Mojave