Desinstalé el totem y gstreamer, y al intentar instalarlos de nuevo me informa lo siguiente :
totem-gstreamer:
El paquete totem-gstreamer no tiene una versión disponible, pero existe en la base de datos.
Esto generalmente significa que el paquete fue mencionado en una dependencia y nunca fue subido, ha sido declarado obsoleto o no está disponible en el contenido de sources.list
El contenido del sorces.list es :
deb
http://ve.archive.ubuntu.com/ubuntu/ dapper main restricted
deb-src
http://ve.archive.ubuntu.com/ubuntu/ dapper main restricted
## Major bug fix updates produced after the final release of the
## distribution.
deb
http://ve.archive.ubuntu.com/ubuntu/ dapper-updates main restricted
deb-src
http://ve.archive.ubuntu.com/ubuntu/ dapper-updates main restricted
## 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://ve.archive.ubuntu.com/ubuntu/ dapper universe
# deb-src
http://ve.archive.ubuntu.com/ubuntu/ dapper 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://ve.archive.ubuntu.com/ubuntu/ dapper-backports main restricted universe multiverse
# deb-src
http://ve.archive.ubuntu.com/ubuntu/ dapper-backports main restricted universe multiverse
deb
http://security.ubuntu.com/ubuntu dapper-security main restricted
deb-src
http://security.ubuntu.com/ubuntu dapper-security main restricted
# deb
http://security.ubuntu.com/ubuntu dapper-security universe
# deb-src
http://security.ubuntu.com/ubuntu dapper-security universe
Es Ubuntu 6.06. Si totem está obsoleto, que otro programa para visualizar videos se podría instalar ?