Ubuntu software and other software stucks on software catalog is being downloaded
65
What can I do if a repository/PPA does not have a Release file?
339
How to resolve "Failed to download repository information"?
110066
Ubuntu install hangs at "Installing the 'grub2' package..."
121222
"Kept back" packages for update , want to uninstall unity?
4853
Trouble downloading packages list due to a "Hash sum mismatch" error
135393
Why does Ubuntu Software Center not show every package available?
16736
"The following packages have been kept back:" Why and how do I solve it?
18052
How to remove/install a package that is not fully installed?
17208
What does this apt error message ("Download is performed unsandboxed as root...") mean?
81648
How to download a software package with all dependencies and sub-dependencies?
119323
"Unable to locate package" errors for all software
59046
Software center not loading software lists
12054
How do I deal with "unauthenticated sources" errors in the Software Center?
112924
Background download stuck at 99%?
73173
How to Fix Broken Packages?
23273
How to delete broken packages in ubuntu
92230
What is the "Free software only" option when installing Ubuntu?