Index: /trunk/src/VBox/HostServices/SharedOpenGL/crserverlib/server_presenter.cpp
===================================================================
--- /trunk/src/VBox/HostServices/SharedOpenGL/crserverlib/server_presenter.cpp	(revision 50429)
+++ /trunk/src/VBox/HostServices/SharedOpenGL/crserverlib/server_presenter.cpp	(revision 50430)
@@ -290,5 +290,7 @@
     if (ScaledDstWidth <= 0)
     {
-        WARN(("dst width (%d) <= 0", ScaledDstWidth));
+        LOG(("ScaledDstWidth <= 0"));
+        if (ScaledDstWidth < 0)
+            WARN(("dst width (%d) < 0", ScaledDstWidth));
         return;
     }
@@ -301,5 +303,7 @@
     if (ScaledDstHeight <= 0)
     {
-        WARN(("dst height (%d) <= 0", ScaledDstHeight));
+        LOG(("ScaledDstHeight <= 0"));
+        if (ScaledDstHeight < 0)
+            WARN(("dst height (%d) < 0", ScaledDstHeight));
         return;
     }