Thank you Phillip, that small details was the problem. All working now.
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https://bugs.launchpad.net/bugs/1469432
Title:
15.10 Installer with check for updates checked crashes
To manage
Your disks are partitioned with GPT but you are not booting in EFI mode.
This requires you to create a 1 mb bios_grub boot partition.
** Changed in: grub-installer (Ubuntu)
Status: New => Invalid
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