somekool@somekool-laptop:~$ sudo apt-get install ... ... ... Processing triggers for libc6 ... ldconfig deferred processing now taking place Errors were encountered while processing: kdm E: Sub-process /usr/bin/dpkg returned an error code (1) somekool@somekool-laptop:~$ somekool@somekool-laptop:~$ sudo fuser -vki /var/lib/dpkg/lock somekool@somekool-laptop:~$ sudo dpkg --configure -a Setting up kdm (4:3.5.8-2ubuntu3~gutsy1~ppa1) ... dpkg: error processing kdm (--configure): subprocess post-installation script returned error exit status 1 Errors were encountered while processing: kdm somekool@somekool-laptop:~$