After I switch off the UEFI in BIOS, saved the changes and reboot the system. I login the system and run the following command: $ sudo apt upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 2 not fully installed or removed. After this operation, 0 B of additional disk space will be used. Do you want to continue? [Y/n] Y Setting up shim-signed (1.34.9+13-0ubuntu2) ... Installing for x86_64-efi platform. grub-install: error: cannot find EFI directory. dpkg: error processing package shim-signed (--configure): installed shim-signed package post-installation script subprocess returned error exit status 1 Setting up grub-efi-amd64-signed (1.93+2.02-2ubuntu8) ... grub-install: error: /usr/lib/grub/i386-pc/modinfo.sh doesn't exist. Please specify --target or --directory. dpkg: error processing package grub-efi-amd64-signed (--configure): installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1 Errors were encountered while processing: shim-signed grub-efi-amd64-signed E: Sub-process /usr/bin/dpkg returned an error code (1)
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1768695 Title: 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shim-signed/+bug/1768695/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
