Talvez ajude:
http://ubuntuforum-br.org/index.php/topic,121505.msg667467.html
Tentei estes 3 comandos mas deu algum tipo de erro :
sudo add-apt-repository ppa:rebuntu16/avidemux+unofficial
sudo apt update
sudo apt install avidemux2.6-qt5desinstalei e reinstalei , porém continua na mesma , o programa aparece no menu , mas não abre de jeito nenhum , só o avidemux jobs que consegue abrir .
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
avidemux2.6-cli avidemux2.6-plugins-cli avidemux2.6-plugins-vsproxy libavidemux2.6-cli-6 libdcaenc0 libfdk-aac0 libvapoursynth0 linux-headers-4.4.0-45 linux-headers-4.4.0-45-generic linux-headers-4.4.0-47 linux-headers-4.4.0-47-generic linux-headers-4.4.0-51
linux-headers-4.4.0-51-generic linux-headers-4.4.0-53 linux-headers-4.4.0-53-generic linux-headers-4.4.0-57 linux-headers-4.4.0-57-generic linux-headers-4.4.0-59 linux-headers-4.4.0-59-generic linux-headers-4.4.0-62 linux-headers-4.4.0-62-generic
linux-headers-4.4.0-64 linux-headers-4.4.0-64-generic linux-headers-4.4.0-66 linux-headers-4.4.0-66-generic linux-image-4.4.0-45-generic linux-image-4.4.0-47-generic linux-image-4.4.0-51-generic linux-image-4.4.0-53-generic linux-image-4.4.0-57-generic
linux-image-4.4.0-59-generic linux-image-4.4.0-62-generic linux-image-4.4.0-64-generic linux-image-4.4.0-66-generic linux-image-extra-4.4.0-45-generic linux-image-extra-4.4.0-47-generic linux-image-extra-4.4.0-51-generic linux-image-extra-4.4.0-53-generic
linux-image-extra-4.4.0-57-generic linux-image-extra-4.4.0-59-generic linux-image-extra-4.4.0-62-generic linux-image-extra-4.4.0-64-generic linux-image-extra-4.4.0-66-generic python-sip snap-confine ubuntu-core-launcher
Use 'sudo apt autoremove' to remove them.
Suggested packages:
avidemux2.6-jobs-qt5
The following NEW packages will be installed:
avidemux2.6-qt5
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/1.861 kB of archives.
After this operation, 7.086 kB of additional disk space will be used.
N: Ignoring file 'webupd8team-java-trusty.list-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'inameiname-stable-trusty.list-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'inameiname-stable-trusty.list.distUpgrade-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'inameiname-stable-trusty.list.save-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'webupd8team-java-trusty.list.distUpgrade-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'blueman-ppa-trusty.list.save-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'intellinuxgraphics.list.save-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'intellinuxgraphics.list-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'blueman-ppa-trusty.list.distUpgrade-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'blueman-ppa-trusty.list-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'webupd8team-java-trusty.list.save-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'intellinuxgraphics.list.distUpgrade-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
(Reading database ... 538803 files and directories currently installed.)
Preparing to unpack .../avidemux2.6-qt5_1%3a2.6.18-1~ppa+xenial1_i386.deb ...
Unpacking avidemux2.6-qt5 (1:2.6.18-1~ppa+xenial1) ...
dpkg: error processing archive /var/cache/apt/archives/avidemux2.6-qt5_1%3a2.6.18-1~ppa+xenial1_i386.deb (--unpack):
trying to overwrite '/usr/share/avidemux6/qt5/i18n/avidemux_cs.qm', which is also in package avidemux2.6-common 1:2.6.19-1~getdeb1
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Processing triggers for man-db (2.7.5-1) ...
Errors were encountered while processing:
/var/cache/apt/archives/avidemux2.6-qt5_1%3a2.6.18-1~ppa+xenial1_i386.deb
N: Ignoring file 'webupd8team-java-trusty.list-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'inameiname-stable-trusty.list-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'inameiname-stable-trusty.list.distUpgrade-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'inameiname-stable-trusty.list.save-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'webupd8team-java-trusty.list.distUpgrade-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'blueman-ppa-trusty.list.save-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'intellinuxgraphics.list.save-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'intellinuxgraphics.list-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'blueman-ppa-trusty.list.distUpgrade-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'blueman-ppa-trusty.list-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'webupd8team-java-trusty.list.save-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'intellinuxgraphics.list.distUpgrade-bak' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
E: Sub-process /usr/bin/dpkg returned an error code (1)