[Bug 1252255] Re: The 'grub-efi-amd64-signed' package failed to install into /target/. Without the GRUB boot loader, the installed system will not boot.

i'm also having the same problem on my Lenovo G405 with Ubuntu 18.04 LTS... i need dual boot plz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1252255 Title: The 'grub-efi-amd64-signed' package fail

[Bug 1782961] [NEW] amd-efi64 grub2

Public bug reported: can't install to /target/ 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 CurrentDes