Changing the line like advised in commentary #3 and reinstalling afterwards worked for me.
-- package adobereader-deu 9.3.1-2 [modified: opt/Adobe/Reader9/Reader/GlobalPrefs/.config] failed to install/upgrade: Unterprozess installiertes post-installation-Skript gab den Fehlerwert 10 zurück https://bugs.launchpad.net/bugs/551941 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
