I realized what was the problem and I solve it. The main problem was I tried to use two late_command in preseed file and after I changed this configuration and now everything is OK. Thank you guys
** Changed in: ubiquity (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1728906 Title: Ignored Preseed Options for Ubuntu Desktop 16.04 LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1728906/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs