> I've just played with some unstable packages lists and it doesn't behave > like I want. Is there any way to downgrade all packages to the latest > avaibled in the corrected sources.list. I mean a softer way than a reinstall > ;-) you will have to reinstall, but just the bad packages. remove them (not purging, so you keep the configuration) and reinstall them with the right apt sources. as far as i know, apt-get doesn't allow any downgrading. pietro.