--- gigedit/trunk/src/gigedit/CombineInstrumentsDialog.cpp	2014/05/14 16:09:58	2552
+++ gigedit/trunk/src/gigedit/CombineInstrumentsDialog.cpp	2014/05/14 19:57:56	2553
@@ -858,6 +858,11 @@
         Gtk::MessageDialog msg(*this, e.Message, false, Gtk::MESSAGE_ERROR);
         msg.run();
         return;
+    } catch (...) {
+        Glib::ustring txt = _("An unknown exception occurred!");
+        Gtk::MessageDialog msg(*this, txt, false, Gtk::MESSAGE_ERROR);
+        msg.run();
+        return;
     }
 
     if (!g_warnings.empty()) {