Your root disk is fairly full, so I assume it got filled up at some point and the package got corrupted or something. Do as it suggests and reinstall libxau-dev
** Changed in: libxau (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to libxau in Ubuntu. https://bugs.launchpad.net/bugs/2009301 Title: package libxau-dev:amd64 1:1.0.9-1build5 failed to install/upgrade: package is in a very bad inconsistent state; you should reinstall it before attempting configuration To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libxau/+bug/2009301/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp