Index: sys/dshowvideosink/dshowvideosink.cpp
===================================================================
--- sys/dshowvideosink/dshowvideosink.cpp	(revision 363)
+++ sys/dshowvideosink/dshowvideosink.cpp	(working copy)
@@ -1360,7 +1360,7 @@
   GstFlowReturn ret;
 
   if (sink->window_closed) {
-    GST_WARNING_OBJECT (sink, "Window has been closed, stopping");
+	GST_ELEMENT_ERROR (sink, RESOURCE, NOT_FOUND, ("Output window was closed"), (NULL));
     return GST_FLOW_ERROR;
   }
 
