diff --git a/MUNGA_L4/L4MFDVIEW.cpp b/MUNGA_L4/L4MFDVIEW.cpp
index c73daf3..abd6d07 100644
--- a/MUNGA_L4/L4MFDVIEW.cpp
+++ b/MUNGA_L4/L4MFDVIEW.cpp
@@ -371,7 +371,7 @@ void
 			pressedIndex = i;
 			SetCapture((HWND) window);
 			PadRIO::SetScreenButton(button->unit, True);
-			InvalidateRect((HWND) window, NULL, FALSE);
+			Repaint();
 			return;
 		}
 	}
@@ -388,16 +388,22 @@ void
 		{
 			ReleaseCapture();
 		}
-		InvalidateRect((HWND) window, NULL, FALSE);
+		Repaint();
 	}
 }
 
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// Paint NOW rather than queueing an invalidation: the game loop pumps
+// one message per frame, and queued WM_PAINTs (lowest priority) starve
+// behind it - panes would freeze on their first frame.
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 void
 	MFDSplitView::Repaint()
 {
 	Check_Pointer(this);
 	if (window != NULL)
 	{
-		InvalidateRect((HWND) window, NULL, FALSE);
+		RedrawWindow((HWND) window, NULL, NULL,
+			RDW_INVALIDATE | RDW_UPDATENOW);
 	}
 }
diff --git a/MUNGA_L4/L4PLASMASCREEN.cpp b/MUNGA_L4/L4PLASMASCREEN.cpp
index 89de93f..4b13807 100644
--- a/MUNGA_L4/L4PLASMASCREEN.cpp
+++ b/MUNGA_L4/L4PLASMASCREEN.cpp
@@ -304,7 +304,10 @@ Logical
 
 	if (dirty && window != NULL)
 	{
-		InvalidateRect((HWND) window, NULL, FALSE);
+		// paint now - queued WM_PAINTs starve behind the game loop's
+		// one-message-per-frame pump
+		RedrawWindow((HWND) window, NULL, NULL,
+			RDW_INVALIDATE | RDW_UPDATENOW);
 	}
 
 	return False;		// 'done' - nothing left to stream