this seems to be a duplicate bug of these bugs: update manager space calculation for a release upgrade was wrong - aftereffect: package ghc 7.4.1-1ubuntu2 failed to install/upgrade: ErrorMessage: dependency problems - leaving unconfigured https://bugs.launchpad.net/ubuntu/+source/upgrade-system/+bug/996379 [Master] package failed to install/upgrade: package is already installed and configured https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/541595
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