Closing this bug seem premature. The command "apt-get dist-upgrade" ends with line "E: Could not perform immediate configuration on 'libgstreamer0.10-0'. Please see man 5 apt.conf under APT::Immediate-Configure for details. (2)" on my system. My system is a clean default install of squeeze, $ uname -a Linux rigel 2.6.32-5-686 #1 SMP Mon Oct 3 04:15:24 UTC 2011 i686 GNU/Linux More info gladly provided. Mark Copper