Index: /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsStorage.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsStorage.cpp	(revision 45293)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsStorage.cpp	(revision 45294)
@@ -1815,5 +1815,5 @@
 
     /* Setup choose-medium button: */
-    QMenu *pOpenMediumMenu = new QMenu(this);
+    QMenu *pOpenMediumMenu = new QMenu(mTbOpen);
     mTbOpen->setMenu(pOpenMediumMenu);