Index: /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIMessageCenter.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIMessageCenter.cpp	(revision 45426)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIMessageCenter.cpp	(revision 45427)
@@ -2547,15 +2547,5 @@
 void UIMessageCenter::sltRemindAboutWrongColorDepth(ulong uRealBPP, ulong uWantedBPP) const
 {
-    const char *kName = "remindAboutWrongColorDepth";
-
-    /* Close the previous (outdated) window if any. We use kName as
-     * pcszAutoConfirmId which is also used as the widget name by default. */
-    {
-        QWidget *outdated = VBoxGlobal::findWidget(NULL, kName, "QIMessageBox");
-        if (outdated)
-            outdated->close();
-    }
-
-    alert(mainWindowShown(), MessageType_Info,
+    alert(0, MessageType_Info,
           tr("<p>The virtual machine window is optimized to work in "
              "<b>%1&nbsp;bit</b> color mode but the "
@@ -2571,5 +2561,5 @@
              "mode (%4&nbsp;bit) is not available in the guest OS.</p>")
              .arg(uWantedBPP).arg(uRealBPP).arg(uWantedBPP).arg(uWantedBPP),
-          kName);
+          "remindAboutWrongColorDepth");
 }
 
Index: /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIMessageCenter.h
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIMessageCenter.h	(revision 45426)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIMessageCenter.h	(revision 45427)
@@ -22,5 +22,4 @@
 /* Qt includes: */
 #include <QObject>
-#include <QPointer>
 
 /* GUI includes: */