>From syslog it seems there is a problem with your EFI partition Apr 1 13:24:25 kubuntu ubiquity: mount: /target/boot/efi: wrong fs type, bad option, bad superblock on /dev/sda1, missing codepage or helper program, or other error.
Could you also please attach the files /var/log/installer/debug and /var/log/installer/partman ? Does this issue always happen or it's just a one time issue? ** Changed in: ubiquity (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1870143 Title: Installer crash To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1870143/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs