Hi.. I compiled event-test.c as : gcc event-test.c -o events -lvirt and then running as : ./events But I am getting this output and the code terminates without detecting events : main:471: Registering domain event cbs myFreeFunc: Freeing [tray change] libvir: XML-RPC error : internal error unsupported event ID 10 myFreeFunc: Freeing [pmwakeup] libvir: XML-RPC error : internal error unsupported event ID 11 myFreeFunc: Freeing [pmsuspend] libvir: XML-RPC error : internal error unsupported event ID 12 myFreeFunc: Freeing [callback balloonchange] libvir: XML-RPC error : internal error unsupported event ID 13 main:580: Closing connection done Please help Thank you avanti