> I've uninstalled plymouth from my lubuntu 10.04 and for the first time i could
> shutdown properly my computer.
> I've tried a lot of option from boot and only uninstalling plymouth help on
> lucid
This is false. Uninstalling the plymouth package would render your system unbootable, so whatever you did, you didn't uninstall plymouth.
> I've uninstalled plymouth from my lubuntu 10.04 and for the first time i could
> shutdown properly my computer.
> I've tried a lot of option from boot and only uninstalling plymouth help on
> lucid
This is false. Uninstalling the plymouth package would render your system unbootable, so whatever you did, you didn't uninstall plymouth.