I found a way on this forum : "I was having the same problem. What worked for me was selecting the non UEFI boot option on the USB installer. – Esteban Knöbl May 6 at 12:03"
https://askubuntu.com/questions/1028921/the-grub-efi-amd64-signed- package-failed-to-install-into-target-during-ins On Tue, 17 Jul 2018, 13:54 Jeremy, <1782...@bugs.launchpad.net> wrote: > Try installing without internet connection as it might be related to an > update to grub-efi-amd64-signed > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1782124 > > Title: > can't remember the message precisely, something like the launcher has > crashed, the xxxx is not installed and Ubuntu won't be able to launch. > > Status in grub-installer package in Ubuntu: > New > > Bug description: > No further info, sorry > > ProblemType: Bug > DistroRelease: Ubuntu 18.04 > Package: ubiquity 18.04.14 > ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 > Uname: Linux 4.15.0-20-generic x86_64 > ApportVersion: 2.20.9-0ubuntu7 > Architecture: amd64 > CasperVersion: 1.394 > Date: Tue Jul 17 13:17:23 2018 > InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz > file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash --- > LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 > (20180426) > SourcePackage: grub-installer > UpgradeStatus: No upgrade log present (probably fresh install) > > To manage notifications about this bug go to: > > https://bugs.launchpad.net/ubuntu/+source/grub-installer/+bug/1782124/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1782124 Title: can't remember the message precisely, something like the launcher has crashed, the xxxx is not installed and Ubuntu won't be able to launch. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub-installer/+bug/1782124/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
