Index: /trunk/src/VBox/Devices/Graphics/DevVGA-SVGA3d-win.cpp
===================================================================
--- /trunk/src/VBox/Devices/Graphics/DevVGA-SVGA3d-win.cpp	(revision 82430)
+++ /trunk/src/VBox/Devices/Graphics/DevVGA-SVGA3d-win.cpp	(revision 82431)
@@ -1290,5 +1290,5 @@
             }
             else
-                AssertMsgFailed(("idAssociatedContext cid = %d, sid = %d\n", pSurface->idAssociatedContext, pSurface->id));
+                AssertMsgFailed(("idAssociatedContext cid=%u, sid=%u\n", pSurface->idAssociatedContext, pSurface->id));
         }
         else