The upgrade has aborted. Your system could be in an unusable state. A recovery will run now (dpkg --configure -a). Please report this bug in a browser at http://bugs.launchpad.net/ubuntu/+source/update-manager/+filebug and attach the files in /var/log/dist-upgrade/ to the bug report. installArchives() failed dpkg: dependency problems prevent configuration of grub-pc-bin: grub-pc-bin depends on libc6 (>= 2.14); however: Version of libc6 on system is 2.13-20ubuntu5.1. dpkg: error processing grub-pc-bin (--configure): dependency problems - leaving unconfigured Setting up base-files (6.5ubuntu6) ... dpkg: error processing base-files (--configure): failed to read on buffer copy for md5hash: Input/output error dpkg: dependency problems prevent configuration of grub-pc: grub-pc depends on grub-pc-bin (= 1.99-21ubuntu3.1); however: Package grub-pc-bin is not configured yet. dpkg: error processing grub-pc (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: grub-pc-bin base-files grub-pc Upgrade complete The upgrade has completed but there were errors during the upgrade process. To continue please press [ENTER] === Command detached from window (Sat Jun 16 13:29:52 2012) === === Command terminated with exit status 1 (Sat Jun 16 13:29:52 2012) ===