This is because of bug 305763 that you've reported earlier and the bug we've marked duplicate of it.
One solution might be to try to reinstall the package: sudo apt-get install --reinstall hal-info But if this doesn't work then remove the package and reinstall it (do it at your own risk): sudo apt-get clean sudo apt-get update sudo dpkg -r --force-depends hal-info sudo apt-get install hal-info ** Changed in: hal-info (Ubuntu) Sourcepackagename: update-manager => hal-info Status: New => Incomplete -- package update-manager 1:0.93.34 failed to install/upgrade: ErrorMessage: SystemError in cache.commit(): E:Sub-process /usr/bin/dpkg exited unexpectedly https://bugs.launchpad.net/bugs/305892 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