The following appears briefly when I start the Discover app. I had to take a picture and copy it by hand. I believe it has something to do with dpkg because I have seen similar messages before with dpkg mentioned. What can I do to fix this? At the bottom I left some info about my system.
W: Skipping acquire of configured file 'universe/source/Sources' as repository 'http://archive.canonical.com/ubuntu hirsute InRelease' doesn't have the component 'universe'(component misspeltin sources.list?)
W: Skipping acquire of configured file 'universe/binary-i386/Packages' as repository 'http:..archive.canonical.com/ubuntu hirsute InRelease' doesn't have the component 'universe' (component misspelt in sources.list?)...
Linux Haswell 5.11.0-25-generic #27-Ubuntu SMP
Kubuntu
Ubuntu 21.04 hirsute
KDE Plasma version: 5.21.4
Intel Haswell i7 CPU, 16GB RAM
Here are the contents of /etc/apt/sources.list:
# deb cdrom:[Kubuntu 21.04 _Hirsute Hippo_ - Release amd64 (20210420)]/ hirsute main multiverse restricted universe
# deb http://cloud.r-project.org/bin/linux/debian buster-cran40/ universe
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://br.archive.ubuntu.com/ubuntu/ hirsute main restricted
# deb-src http://br.archive.ubuntu.com/ubuntu/ hirsute main restricted
Major bug fix updates produced after the final release of the
distribution.
deb http://br.archive.ubuntu.com/ubuntu/ hirsute-updates main restricted
deb-src http://br.archive.ubuntu.com/ubuntu/ hirsute-updates main restricted
N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
team. Also, please note that software in universe WILL NOT receive any
review or updates from the Ubuntu security team.
deb http://br.archive.ubuntu.com/ubuntu/ hirsute universe
deb-src http://br.archive.ubuntu.com/ubuntu/ hirsute universe
deb http://br.archive.ubuntu.com/ubuntu/ hirsute-updates universe
deb-src http://br.archive.ubuntu.com/ubuntu/ hirsute-updates universe
N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
team, and may not be under a free licence. Please satisfy yourself as to
your rights to use the software. Also, please note that software in
multiverse WILL NOT receive any review or updates from the Ubuntu
security team.
deb http://br.archive.ubuntu.com/ubuntu/ hirsute multiverse
deb-src http://br.archive.ubuntu.com/ubuntu/ hirsute multiverse
deb http://br.archive.ubuntu.com/ubuntu/ hirsute-updates multiverse
deb-src http://br.archive.ubuntu.com/ubuntu/ hirsute-updates multiverse
N.B. software from this repository may not have been tested as
extensively as that contained in the main release, although it includes
newer versions of some applications which may provide useful features.
Also, please note that software in backports WILL NOT receive any review
or updates from the Ubuntu security team.
deb http://br.archive.ubuntu.com/ubuntu/ hirsute-backports main restricted universe multiverse
deb-src http://br.archive.ubuntu.com/ubuntu/ hirsute-backports main restricted universe multiverse
Uncomment the following two lines to add software from Canonical's
'partner' repository.
This software is not part of Ubuntu, but is offered by Canonical and the
respective vendors as a service to Ubuntu users.
deb http://archive.canonical.com/ubuntu hirsute partner universe
deb-src http://archive.canonical.com/ubuntu hirsute partner universe
deb http://security.ubuntu.com/ubuntu hirsute-security main restricted
deb-src http://security.ubuntu.com/ubuntu hirsute-security main restricted
deb http://security.ubuntu.com/ubuntu hirsute-security universe
deb-src http://security.ubuntu.com/ubuntu hirsute-security universe
deb http://security.ubuntu.com/ubuntu hirsute-security multiverse
deb-src http://security.ubuntu.com/ubuntu hirsute-security multiverse
This system was installed using small removable media
(e.g. netinst, live or single CD). The matching "deb cdrom"
entries were disabled at the end of the installation process.
For information about how to configure apt package sources,
see the sources.list(5) manual.