Index: /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/VBoxMPMisc.cpp
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/VBoxMPMisc.cpp	(revision 43340)
+++ /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/VBoxMPMisc.cpp	(revision 43341)
@@ -2547,5 +2547,5 @@
     Assert(pTarget->HeightTotal);
     Assert(pTarget->HeightVisible);
-    Assert(pTarget->HeightTotal > pTarget->HeightVisible);
+    Assert(pTarget->HeightTotal >= pTarget->HeightVisible);
     Assert(pTarget->ScanLineState < pTarget->HeightTotal);
     if (pTarget->HeightTotal)