Index: /trunk/src/VBox/Frontends/VirtualBox/src/wizards/newvm/UIWizardNewVMPageExpert.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/wizards/newvm/UIWizardNewVMPageExpert.cpp	(revision 87832)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/wizards/newvm/UIWizardNewVMPageExpert.cpp	(revision 87833)
@@ -407,8 +407,8 @@
     }
 
-    if (!m_pDiskSkip->isChecked() && !m_pDiskPresent->isChecked() && uiCommon().medium(m_pDiskSelector->id()).isNull())
+    if (m_pDiskPresent->isChecked() && uiCommon().medium(m_pDiskSelector->id()).isNull())
     {
         m_pToolBox->setPageTitleIcon(ExpertToolboxItems_Disk,
-                                UIIconPool::iconSet(":/status_error_16px.png"));
+                                     UIIconPool::iconSet(":/status_error_16px.png"), UIWizardNewVM::tr("No valid disk is selected"));
         fIsComplete = false;
     }