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The error message in your logs is: Searching for GRUB installation directory ... found: /boot/grub /etc/default/grub: linha 17: fim do arquivo inesperado enquanto procurava por ``' User postinst hook script [/sbin/update-grub] exited with value 2 This is not a bug in the grub package, it is an incorrect local change to the /etc/default/grub file. This file must be a valid, parseable shell script fragment, which in your case it is not. If you need assistance correcting this error, please see the Ubuntu Forums (ubuntuforums.org). ** Changed in: grub (Ubuntu) Status: New => Invalid -- package linux-image-2.6.32-24-generic 2.6.32-24.39 failed to install/upgrade: sub-processo script post-installation instalado retornou estado de saída de erro 2 https://bugs.launchpad.net/bugs/615075 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs