Index: /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIAnimationFramework.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIAnimationFramework.cpp	(revision 68164)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIAnimationFramework.cpp	(revision 68165)
@@ -102,6 +102,8 @@
     /* Prepare state-transitions: */
     QSignalTransition *pStartToFinal = m_pStateStart->addTransition(parent(), m_pszSignalForward, m_pStateFinal);
+    AssertPtrReturnVoid(pStartToFinal);
     pStartToFinal->addAnimation(m_pForwardAnimation);
     QSignalTransition *pFinalToStart = m_pStateFinal->addTransition(parent(), m_pszSignalReverse, m_pStateStart);
+    AssertPtrReturnVoid(pFinalToStart);
     pFinalToStart->addAnimation(m_pReverseAnimation);