I uploaded synaptic_0.57.11.1ubuntu8 now and that should fix this problem. Please update and let me know if that resolves the problem. If not, please add a apport backtrace.
-- [apport] synaptic crashed with SIGSEGV in ??() https://launchpad.net/bugs/81624 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs