In fact the pauker.desktop file is missing [Desktop Entry] as the first line. After adding it the error goes away.
-- [karmic] bad .desktop file: /usr/share/app-install/desktop/pauker.desktop https://bugs.launchpad.net/bugs/385248 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