grub will not install with any 18.xx flavors, all 16.xx will install ok. 18.xx will install when i tic minimal install radio button.

[G.Dean]

If you would like to remotely monitor my install just let me know what i need to do. I am happy to help.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubiquity 18.04.14.9
ProcVersionSignature: Ubuntu 4.15.0-39.42-generic 4.15.18
Uname: Linux 4.15.0-39-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.4
Architecture: amd64
CasperVersion: 1.394
Date: Thu Nov 1 09:57:11 2018
InstallCmdLine: BOOT_IMAGE=(loop)/casper/vmlinuz root=UUID=79D0-8174 maybe-ubiquity debian-installer/language=en keyboard-configuration/layoutcode=us iso-scan/filename=/bionic-desktop-amd64.iso boot=casper file=/cdrom/preseed/ubuntustudio.seed noprompt quiet splash --
LiveMediaBuild: Ubuntu-MATE 18.04.1 LTS "Bionic Beaver" - Release amd64 (20181101)
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)