Apt update failing after updating appstream
25001
E: Problem executing scripts APT Update::Post-Invoke-Success error during apt-get update
9322
Software Updater Issue 16.04
35931
Apt update error - "An error occurred during the signature verification" (Chrome)
151066
Failed to fetch PPA Error (Deluge)
46424
Cannot update software center repositories
66744
Apt "Connection failed"
148085
how I can fix "AppStream cache update completed, but some metadata was ignored due to errors."?"
16578
How to upgrade a single package using apt-get?
96696
timeout errors in apt-get update/install
137317
libdvd-pkg: `apt-get check` failed, you may have broken packages. Aborting
1520
How to install software or upgrade from an old unsupported release?
23096
How to remove obsolete packages after failed release upgrade via do-release-upgrade on Ubuntu?
155918
What information do I need to solve an APT dependency issue?
6173
"method driver /usr/lib/apt/methods/https could not be found" update error
80899
"no public key available" on apt-get update
127196
"Error processing package" - apt upgrade cannot run due to package configuration errors
156977
Unable to install files with apt-get: "unable to locate package"