diff -r 56cd8111b7f7 -r 41300fa6a67c src/gui/dialogs/qfiledialog_win.cpp
--- a/src/gui/dialogs/qfiledialog_win.cpp	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/gui/dialogs/qfiledialog_win.cpp	Tue Feb 02 00:43:10 2010 +0200
@@ -509,7 +509,7 @@
     DWORD newOptions;
     hr = pfd->GetOptions(&newOptions);
     if (SUCCEEDED(hr)) {
-        newOptions |= (FOS_NOCHANGEDIR | FOS_NOREADONLYRETURN);
+        newOptions |= FOS_NOCHANGEDIR;
         if (mode == QFileDialog::ExistingFile ||
              mode == QFileDialog::ExistingFiles)
             newOptions |= (FOS_FILEMUSTEXIST | FOS_PATHMUSTEXIST);
@@ -534,7 +534,7 @@
     modal_widget.setParent(args.parent, Qt::Window);
     QApplicationPrivate::enterModal(&modal_widget);
     // Multiple selection is allowed only in IFileOpenDialog.
-    IFileOpenDialog *pfd;
+    IFileOpenDialog *pfd = 0;
     HRESULT hr = CoCreateInstance(CLSID_FileOpenDialog,
                                   NULL,
                                   CLSCTX_INPROC_SERVER,
@@ -607,6 +607,8 @@
             }
         }
     }
+    if (pfd)
+        pfd->Release();
     return result;
 }