I think this problem is being caused by the multi-notifier plugin, as removing it has cured the problem.
[EMAIL PROTECTED]:~$ apt-cache showpkg sylpheed-claws-gtk2-multi-notifier Package: sylpheed-claws-gtk2-multi-notifier Versions: 2.6.0-1 (/var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_feisty_universe_binary-i386_Packages) (/var/lib/dpkg/status) Description Language: File: /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_feisty_universe_binary-i386_Packages MD5: f09aaed9346a3785bb1e01dc68952b27 Reverse Depends: sylpheed-claws-gtk2-multi-notifier-dbgsym,sylpheed-claws-gtk2-multi-notifier 2.6.0-1 sylpheed-claws-gtk2-extra-plugins,sylpheed-claws-gtk2-multi-notifier 2.6.0-1 Dependencies: 2.6.0-1 - libc6 (2 2.5-0ubuntu1) sylpheed-claws-gtk2 (2 2.6.0) Provides: 2.6.0-1 - Reverse Provides: -- [apport] sylpheed-claws-gtk2 crashed with SIGSEGV in g_type_check_instance_is_a() https://bugs.launchpad.net/bugs/102573 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs