When I try to update or Install a program Ubuntu 19.04, an error is displayed
65
What can I do if a repository/PPA does not have a Release file?
119920
Failed upgrade from Ubuntu 19.10 to 20.04 "Please update the microcode"
1632
How do I fix a "Failed to download package files" error?
73357
Every package "has no installation candidate"
135575
How to fix a "Failed to fetch binary-armhf/Packages" error during apt-get update?
135985
Apt-get saying "Unable to correct problems, you have held broken packages."
7671
I get an error with the archipack
77705
Unable to upgrade in ubuntu
4450
How can I reproduce the error "package... needs to be reinstalled, but I can't find an archive for it" for testing?
92002
Why does an error appear every time I try to open the Ubuntu Software Center?
36696
Unmet dependencies unable to fix
63176
How can I update to Ubuntu 21.04?
144507
No facility exists in Update Manager to upgrade to a new version, why?
50810
No upgrade available for 19.04 from 18.10
26308
How to solve "Unable to find expected entry 'restricted/binary-1386/Packages' Wrong sources.list entry or malformed file"?
142954
bunch of errors during any installation witn any utility apt, apt-get, synaptic, etc
89359
How can I fix an Install Failed error while installing Lion?