Index: /trunk/src/VBox/Frontends/VirtualBox/src/selector/graphics/chooser/UIGChooserItemGroup.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/selector/graphics/chooser/UIGChooserItemGroup.cpp	(revision 42795)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/selector/graphics/chooser/UIGChooserItemGroup.cpp	(revision 42796)
@@ -106,5 +106,5 @@
     setZValue(parentItem()->zValue() + 1);
     connect(this, SIGNAL(sigToggleStarted()), model(), SIGNAL(sigToggleStarted()));
-    connect(this, SIGNAL(sigToggleFinished()), model(), SIGNAL(sigToggleFinished()));
+    connect(this, SIGNAL(sigToggleFinished()), model(), SIGNAL(sigToggleFinished()), Qt::QueuedConnection);
 }