Index: /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsSystem.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsSystem.cpp	(revision 51988)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsSystem.cpp	(revision 51989)
@@ -497,4 +497,5 @@
     /* Acceleration tab: */
     m_pTabWidgetSystem->setTabEnabled(2, systemData.m_fSupportedHwVirtEx);
+    m_pLabelParavirtProvider->setEnabled(isMachineOffline());
     m_pComboParavirtProvider->setEnabled(isMachineOffline());
     m_pLabelVirtualization->setEnabled(isMachineOffline());
Index: /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsSystem.ui
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsSystem.ui	(revision 51988)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsSystem.ui	(revision 51989)
@@ -546,5 +546,5 @@
       <layout class="QGridLayout">
        <item row="0" column="0">
-        <widget class="QLabel" name="m_pLabelParavirtType">
+        <widget class="QLabel" name="m_pLabelParavirtProvider">
          <property name="text">
           <string>&amp;Paravirtualization Interface:</string>