According to Steve Langasek's comment #12 in Bug #835625, this error message is caused by a corrupt file. It can be solved by running:
apt-get install --reinstall libglib2.0-0 libglib2.0-0:i386 ** Changed in: glib2.0 (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/832022 Title: package libglib2.0-0 2.29.16-0ubuntu2 [modified: usr/share/doc/libglib2.0-0/changelog.Debian.gz] failed to install/upgrade: ErrorMessage: './usr/share/doc/libglib2.0-0/changelog.Debian.gz' is different from the same file on the system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/glib2.0/+bug/832022/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs