Public bug reported: I had dual boot with 14.04 and Windows 10. Got warning about running the 16.04 installer in UEFI mode while one of the systems wasn't UEFI. Then installer crashed because could not install grub.
ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: ubiquity 2.21.63 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 CasperVersion: 1.376 Date: Thu May 5 15:06:42 2016 InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu-gnome.seed boot=casper only-ubiquity quiet splash --- LiveMediaBuild: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Release amd64 (20160421) ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SourcePackage: grub-installer UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: grub-installer (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug ubiquity-2.21.63 ubuntu-gnome xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1578632 Title: Grub2 failed to install To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub-installer/+bug/1578632/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs