diff -urN qt-win-commercial-src-4.4.3.orig/src/activeqt/control/qaxserver.cpp qt-win-commercial-src-4.4.3_mt4_static/src/activeqt/control/qaxserver.cpp
--- qt-win-commercial-src-4.4.3.orig/src/activeqt/control/qaxserver.cpp	2008-09-27 11:00:56.000000000 +0400
+++ qt-win-commercial-src-4.4.3_mt4_static/src/activeqt/control/qaxserver.cpp	2008-10-20 16:19:52.000000000 +0400
@@ -34,6 +34,7 @@
 
 #include <qt_windows.h>
 #include <olectl.h>
+#include <shlobj.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -220,10 +221,14 @@
 
     // check whether the user has permission to write to HKLM\Software\Classes
     // if not, use HKCU\Software\Classes
-    QString keyPath(QLatin1String("HKEY_LOCAL_MACHINE\\Software\\Classes"));
-    QSettings test(keyPath, QSettings::NativeFormat);
-    if (!test.isWritable())
+    // QString keyPath(QLatin1String("HKEY_LOCAL_MACHINE\\Software\\Classes"));
+    // QSettings test(keyPath, QSettings::NativeFormat);
+    // if (!test.isWritable())
+    //     keyPath = QLatin1String("HKEY_CURRENT_USER\\Software\\Classes");
+    QString keyPath(QLatin1String("HKEY_CLASSES_ROOT"));
+    if (!IsUserAnAdmin()) {
         keyPath = QLatin1String("HKEY_CURRENT_USER\\Software\\Classes");
+    }
 
     QSettings settings(keyPath, QSettings::NativeFormat);