The error is because grub requires manual configuration to be used as a bootloader. You should use the default bootloader that's included with Ubuntu 10.04 LTS unless you have a specific reason not to. If you need to use grub1, you will need to configure it manually.
** Changed in: grub (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/711740 Title: package linux-image-2.6.32-28-generic 2.6.32-28.55 failed to install/upgrade: Unterprozess installiertes post-installation-Skript gab den Fehlerwert 1 zurück -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs