Index: /trunk/src/VBox/Frontends/VirtualBox/src/runtime/UIMachineView.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/runtime/UIMachineView.cpp	(revision 59842)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/runtime/UIMachineView.cpp	(revision 59843)
@@ -309,5 +309,4 @@
             (unsigned long)m_uScreenId, iWidth, iHeight));
 
-    // TODO: Move to appropriate place!
     /* Some situations require frame-buffer resize-events to be ignored at all,
      * leaving machine-window, machine-view and frame-buffer sizes preserved: */
@@ -315,4 +314,5 @@
         return;
 
+    /* In some situations especially in some VM states, guest-screen is not drawable: */
     if (uisession()->isGuestScreenUnDrawable())
         return;