*** This bug is a duplicate of bug 1767761 *** https://bugs.launchpad.net/bugs/1767761
The error in your log is: shim-signed (1.34.9+13-0ubuntu2) wird eingerichtet ... x86_64-efi wird für Ihre Plattform installiert. Could not delete variable: Interrupted system call grub-install: Fehler: efibootmgr failed to register the boot entry: Es ist ein Block-Device notwendig. ESC[1mdpkg:ESC[0m Fehler beim Bearbeiten des Paketes shim-signed (--configure): Unterprozess installed shim-signed package post-installation script gab den Fehler-Ausgangsstatus 1 zurück It appears that there is a problem with your firmware that prevents shim from uploading the bootloader configuration variables. Is it possible that you are affected by https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1734147 ? ** Changed in: shim-signed (Ubuntu) Status: New => Incomplete ** This bug has been marked a duplicate of bug 1767761 package shim-signed 1.34.9+13-0ubuntu2 failed to install/upgrade: installed shim-signed package post-installation script subprocess returned error exit status 1 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1767881 Title: package shim-signed 1.34.9+13-0ubuntu2 failed to install/upgrade: Unterprozess installed shim-signed package post-installation script gab den Fehler-Ausgangsstatus 1 zurück To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shim-signed/+bug/1767881/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs