dudu_ubuntun, olha o que ele retornou:
root@rbb-linux:/home/rbb# dpkg --purge -r projeto-messias-sm56
dpkg: Ações em conflito -r (--remove) e -P (--purge)
Digite dpkg --help para ajuda sobre instalação e desinstalação de pacotes [*];
Use `dselect' ou `aptitude' para gerenciamento amigável de pacotes;
Digite dpkg -Dhelp para uma lista de valores de marcas de debug do dpkg;
Digite dpkg --force-help para uma lista de opções para forçar certas operações;
Digite dpkg-deb --help para ajuda sobre manipulação de arquivos *.deb;
Digite dpkg --license para licença de direitos autorais e falta de garantia (GNU GPL) [*].
Opções marcadas com [*] produzem muita saída de texto - passe-a por `less' ou `more' !
leandrovargas, segue minha sources.list:
deb cdrom:[aptoncd1]/ /
deb cdrom:[Ubuntu 6.10 _Edgy Eft_ - Release i386 (20061025)]/ edgy main restricted
## Lista de repositórios Oficial##
deb http://archive.ubuntu.com/ubuntu/ edgy main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ edgy main restricted universe multiverse
## Major bug fix updates produced after the final release of the
## distribution.
deb http://archive.ubuntu.com/ubuntu/ edgy-updates main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ edgy-updates main restricted universe multiverse
## Uncomment the following two lines to add software from the 'universe'
## repository.
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## universe WILL NOT receive any review or updates from the Ubuntu security
## team.
deb http://br.archive.ubuntu.com/ubuntu/ edgy universe
deb-src http://br.archive.ubuntu.com/ubuntu/ edgy universe
## Uncomment the following two lines to add software from the 'backports'
## repository.
## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http://br.archive.ubuntu.com/ubuntu/ edgy-backports main restricted universe multiverse
deb-src http://br.archive.ubuntu.com/ubuntu/ edgy-backports main restricted universe multiverse
deb http://security.ubuntu.com/ubuntu edgy-security main restricted universe multiverse
deb-src http://security.ubuntu.com/ubuntu edgy-security main restricted universe multiverse
# deb http://security.ubuntu.com/ubuntu edgy-security universe
# deb-src http://security.ubuntu.com/ubuntu edgy-security universe
## INÍCIO DA Lista NÃO OFICIAL, use com sabedoria
## LISTEN GNOME
##Lista para instalar o Listen Gnome, player alternativo para o Amarok no Gnome. Esta lista é a de pacotes instáveis, com as versões mais recentes do Listen. É do Dapper mesmo, mas serve perfeitamente para o Edgy Eft
# deb http://theli.free.fr/packages/ dapper listen listen-unstable
# deb-src http://theli.free.fr/packages/ dapper listen listen-unstable
##Cristhian Marillat (multimidia) - Descomente apenas para instalar os codecs necessários.
## Opção alternativa do Seveas
# deb http://www.debian-multimedia.org sarge main
# deb http://www.debian-multimedia.org etch main
# deb http://www.debian-multimedia.org sid main
## Seveas
# deb http://seveas.imbrandon.com edgy-seveas all
# deb-src http://seveas.imbrandon.com edgy-seveas all
## BRASERO
## Gravador de CDs e DVDs alternativa ao Gnome Baker e K3B
# deb http://mrpouit.tuxfamily.org edgy-pouit extra
# deb-src http://mrpouit.tuxfamily.org edgy-pouit extra