Primeiro, o atualizador diz que não pode acessar um repositório e, depois de tentar atualizá-lo, diz "Falha na operação do pacote".
Não sei quais informações fornecer.
Estou executando o Ubuntu Budgie 18.04
Aqui está a saída do apt-get update:
Hit:1 http://security.ubuntu.com/ubuntu bionic-security InRelease
Ign:2 http://ppa.launchpad.net/kirillshkrogalev/ffmpeg-next/ubuntu bionic InRelease
Hit:3 http://ppa.launchpad.net/obsproject/obs-studio/ubuntu bionic InRelease
Ign:4 http://repo.vivaldi.com/stable/deb stable InRelease
Hit:5 http://repo.vivaldi.com/stable/deb stable Release
Hit:6 http://ppa.launchpad.net/ubuntubudgie/backports/ubuntu bionic InRelease
Hit:7 http://gb.archive.ubuntu.com/ubuntu bionic InRelease
Hit:8 http://gb.archive.ubuntu.com/ubuntu bionic-updates InRelease
Hit:9 http://gb.archive.ubuntu.com/ubuntu bionic-backports InRelease
Hit:11 http://ppa.launchpad.net/yannubuntu/boot-repair/ubuntu bionic InRelease
Err:12 http://ppa.launchpad.net/kirillshkrogalev/ffmpeg-next/ubuntu bionic Release
404 Not Found [IP: 91.189.95.83 80]
Reading package lists... Done
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target Translations (main/i18n/Translation-en_GB) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target DEP-11 (main/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target DEP-11 (main/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target DEP-11-icons-small (main/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target CNF (main/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
E: The repository 'http://ppa.launchpad.net/kirillshkrogalev/ffmpeg-next/ubuntu bionic Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target Translations (main/i18n/Translation-en_GB) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target DEP-11 (main/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target DEP-11 (main/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target DEP-11-icons-small (main/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target CNF (main/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:52 and /etc/apt/sources.list.d/vivaldi.list:3
Aqui está a saída do upgrade do apt-get:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed and are no longer required:
libobs0 obs-plugins
Use 'sudo apt autoremove' to remove them.
The following packages will be upgraded:
obs-studio
1 to upgrade, 0 to newly install, 0 to remove and 0 not to upgrade.
Need to get 0 B/2,910 kB of archives.
After this operation, 6,684 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
(Reading database ... 192733 files and directories currently installed.)
Preparing to unpack .../obs-studio_21.1.0-0obsproject1~bionic_amd64.deb ...
Unpacking obs-studio (21.1.0-0obsproject1~bionic) over (21.0.2+dfsg1-1) ...
dpkg: error processing archive /var/cache/apt/archives/obs-studio_21.1.0-0obsproject1~bionic_amd64.deb (--unpack):
trying to overwrite '/usr/share/obs/libobs/bicubic_scale.effect', which is also in package libobs0:amd64 21.0.2+dfsg1-1
dpkg-deb: error: paste subprocess was killed by signal (Broken pipe)
Errors were encountered while processing:
/var/cache/apt/archives/obs-studio_21.1.0-0obsproject1~bionic_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)