bootloader beside Win10 and Fedora

[Ramin Bakhtiar]

I already using Win10 and Ubuntu then because of some crashes wanted to install fedora too and have to format my Ubuntu partition and installed Fedora and then wanted to install Ubuntu but during installation I received an fatal error that bootloader can|t be install.

ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: ubiquity 17.04.9
ProcVersionSignature: Ubuntu 4.10.0-19.21-generic 4.10.8
Uname: Linux 4.10.0-19-generic x86_64
ApportVersion: 2.20.4-0ubuntu4
Architecture: amd64
Date: Fri Apr 6 15:49:46 2018
InstallCmdLine: file=/cdrom/multiboot/ubuntu-17.04-desktop-amd64/preseed/ubuntu.seed boot=casper cdrom-detect/try-usb=true noprompt floppy.allowed_drive_mask=0 ignore_uuid live-media-path=/multiboot/ubuntu-17.04-desktop-amd64/casper/ initrd=/multiboot/ubuntu-17.04-desktop-amd64/casper/initrd.lz quiet splash --- maybe-ubiquity
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 LC_NUMERIC=C.UTF-8
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

[Phillip Susi (psusi)]

You tried to install grub to /dev/dm-0, which is a logical volume. It must be installed to a physical disk, such as /dev/sda.

[Ramin Bakhtiar (raminmb)]

Thanks for your advise, to be honest I don't remember what I did! but now it is ok!