Index: /trunk/src/VBox/Frontends/VirtualBox/src/extensions/QITreeWidget.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/extensions/QITreeWidget.cpp	(revision 64307)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/extensions/QITreeWidget.cpp	(revision 64308)
@@ -277,6 +277,7 @@
         while (pItem && iCurrentIndex < iIndex)
         {
-            iCurrentIndex += tree()->columnCount();
-            pItem = tree()->itemBelow(pItem);
+            ++iCurrentIndex;
+            if (iCurrentIndex % tree()->columnCount() == 0)
+                pItem = tree()->itemBelow(pItem);
         }