Unhandled Exception: System.ExecutionEngineException: SIGILL
                                                              at <0x00000> <unknown method>
   at (wrapper managed-to-native) Mono.Terminal.Curses:refresh ()
                                                                   at Mono.Terminal.Application.Redraw (Mono.Terminal.Container container) [0x00006] in /Users/alan/Desktop/mono-curses/gui.cs:1198 
                  at Mono.Terminal.Application.Run (Mono.Terminal.Container container) [0x0003f] in /Users/alan/Desktop/mono-curses/gui.cs:1227 
                                                        at Mono.Terminal.Application.Msg (Boolean error, System.String caption, System.String t) [0x0016e] in /Users/alan/Desktop/mono-curses/gui.cs:1163 
                        at Mono.Terminal.Application.Error (System.String caption, System.String text) [0x00000] in /Users/alan/Desktop/mono-curses/gui.cs:1168 
                                                                        at TorrentCurses.SaveSettings () [0x00082] in /Users/alan/Desktop/mono-curses/demo.cs:746 
                                                                          at TorrentCurses.Main () [0x00015] in /Users/alan/Desktop/mono-curses/demo.cs:799