Thank you for taking the time to report this bug and helping to make Ubuntu better. The relevant dpkg terminal log says:
Paramétrage de cpio (2.13+dfsg-2ubuntu0.3) ... update-alternatives: erreur: /var/lib/dpkg/alternatives/mt corrompu : état non valable dpkg: erreur de traitement du paquet cpio (--configure) : installed cpio package post-installation script subprocess returned error exit status 2 Paramétrage de firefox (98.0.1+build2-0ubuntu0.20.04.1) ... update-alternatives: erreur: /var/lib/dpkg/alternatives/gnome-www-browser corrompu : état non valable dpkg: erreur de traitement du paquet firefox (--configure) : installed firefox package post-installation script subprocess returned error exit status 2 Paramétrage de thunderbird (1:91.7.0+build2-0ubuntu0.20.04.1) ... dpkg: des problèmes de dépendances empêchent la configuration de initramfs-tools-core : initramfs-tools-core dépend de cpio (>= 2.12) ; cependant : Le paquet cpio n'est pas encore configuré. Translated with DeepL.com: cpio setup (2.13+dfsg-2ubuntu0.3) ... update-alternatives: error: /var/lib/dpkg/alternatives/mt corrupted: invalid state dpkg: cpio package processing error (--configure) : installed cpio package post-installation script subprocess returned error exit status 2 firefox setup (98.0.1+build2-0ubuntu0.20.04.1) ... update-alternatives: error: /var/lib/dpkg/alternatives/gnome-www-browser corrupted: invalid status dpkg: firefox package processing error (--configure) : installed firefox package post-installation script subprocess returned error exit status 2 Setting up thunderbird (1:91.7.0+build2-0ubuntu0.20.04.1) ... dpkg: dependency problems prevent configuration of initramfs-tools-core : initramfs-tools-core depends on cpio (>= 2.12); however : The cpio package is not yet configured. initramfs-tools-core fails to install because cpio fails to configure. Please run: sudo apt-get install -f Did that solve your problem? ** Changed in: initramfs-tools (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1966791 Title: package initramfs-tools-core 0.136ubuntu6.7 failed to install/upgrade: problèmes de dépendances - laissé non configuré To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1966791/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs