Index: /trunk/src/VBox/Frontends/VirtualBox/src/wizards/newvm/UIWizardNewVMPageBasic1.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/wizards/newvm/UIWizardNewVMPageBasic1.cpp	(revision 87781)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/wizards/newvm/UIWizardNewVMPageBasic1.cpp	(revision 87782)
@@ -355,5 +355,5 @@
         m_pNameAndSystemEditor->markNameLineEdit(m_pNameAndSystemEditor->name().isEmpty());
     if (m_pISOFilePathSelector)
-        m_pISOFilePathSelector->mark(!checkISOFile());
+        m_pISOFilePathSelector->mark(!checkISOFile(), UIWizardNewVM::tr("Invalid file path or unreadable file"));
 }