The following packages have unmet dependencies:
  apache2: Depends: apache2-mpm-worker (= 2.2.14-5ubuntu8.6) but it is not going to be installed or
                    apache2-mpm-prefork (= 2.2.14-5ubuntu8.6) but it is not going to be installed or
                    apache2-mpm-event (= 2.2.14-5ubuntu8.6) but it is not going to be installed or
                    apache2-mpm-itk (= 2.2.14-5ubuntu8.6) but it is not going to be installed
           Depends: apache2.2-common (= 2.2.14-5ubuntu8.6) but it is not going to be installed
  mysql-server: Depends: mysql-server-5.1 but it is not going to be installed
E: Broken packages