I cannot update, install, upgrade or anything like before
10193
Failed to download repository information due to missing CDROM
19583
Can't upgrade due to low disk space on /boot
130374
Error saying "unable to update ICE authority" while booting
2432
Unable to correct problems, you have held broken packages
126659
upgrade from 11.10 to 12.04 - No upgrade option available in update manager
19361
Can't update because the word prox* is blocked
404
Last upgrade crashes network manager (no internet connection, no applet)
59017
How to repair Ubuntu installation after interrupted dist-upgrade without losing any custom settings?
134080
Still can't upgrade? Is there a new delay?
35987
No updates since a long time
42634
How do I upgrade to the development release (aka. Ubuntu+1)?
114305
On really old Ubuntu 6.06 - How to upgrade
148872
I can't select updates in Update Manager
28040
Windows 8 Upgrade Failed - No Error Info
36696
Unmet dependencies unable to fix
58487
How do I destroy my installation? (render it unbootable?)
121201
Why can't I update applications without upgrading the whole OS?