Hello,
I'm getting the same error as Vijayan, when I run "sudo apt --fix-broken
install" command.
Below is the error log.
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following additional packages will be installed:
libavutil55 libswresample2
The following NEW packages will be installed:
libavutil55 libswresample2
0 upgraded, 2 newly installed, 0 to remove and 4 not upgraded.
6 not fully installed or removed.
Need to get 0 B/245 kB of archives.
After this operation, 765 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
E: Invalid archive signature
E: Internal error, could not locate member control.tar.{zstlz4gzxzbz2lzma}
E: Prior errors apply to
/var/cache/apt/archives/libavutil55_7%3a3.4.4-0ubuntu0.18.04.1_amd64.deb
E: Invalid archive signature
E: Internal error, could not locate member control.tar.{zstlz4gzxzbz2lzma}
E: Prior errors apply to
/var/cache/apt/archives/libswresample2_7%3a3.4.4-0ubuntu0.18.04.1_amd64.deb
debconf: apt-extracttemplates failed: No such file or directory
dpkg-deb: error:
'/var/cache/apt/archives/libavutil55_7%3a3.4.4-0ubuntu0.18.04.1_amd64.deb' is
not a Debian format archive
dpkg: error processing archive
/var/cache/apt/archives/libavutil55_7%3a3.4.4-0ubuntu0.18.04.1_amd64.deb
(--unpack):
dpkg-deb --control subprocess returned error exit status 2
dpkg-deb: error:
'/var/cache/apt/archives/libswresample2_7%3a3.4.4-0ubuntu0.18.04.1_amd64.deb'
is not a Debian format archive
dpkg: error processing archive
/var/cache/apt/archives/libswresample2_7%3a3.4.4-0ubuntu0.18.04.1_amd64.deb
(--unpack):
dpkg-deb --control subprocess returned error exit status 2
Errors were encountered while processing:
/var/cache/apt/archives/libavutil55_7%3a3.4.4-0ubuntu0.18.04.1_amd64.deb
/var/cache/apt/archives/libswresample2_7%3a3.4.4-0ubuntu0.18.04.1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
Thank you.
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https://bugs.launchpad.net/bugs/1788777
Title:
package libavutil55 7:3.4.2-2 failed to install/upgrade: dpkg-deb
--fsys-tarfile subprocess returned error exit status 2
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