diff --git a/dll/win32/msi/dialog.c b/dll/win32/msi/dialog.c
index 7a8417ff70..171a81e9b7 100644
--- a/dll/win32/msi/dialog.c
+++ b/dll/win32/msi/dialog.c
@@ -171,6 +171,11 @@ static const WCHAR szHyperLink[] = {'H','y','p','e','r','L','i','n','k',0};
 static DWORD uiThreadId;
 static HWND hMsiHiddenWindow;
 
+#ifdef __REACTOS__
+static HWND handle_parent_dialog[10] = { NULL };
+static UINT parent_level = 0;
+#endif
+
 static LPWSTR msi_get_window_text( HWND hwnd )
 {
     UINT sz, r;
@@ -3818,6 +3823,18 @@ static LRESULT WINAPI MSIDialog_WndProc( HWND hwnd, UINT msg,
         return SendMessageW( (HWND) lParam, WM_CTLCOLORSTATIC, wParam, lParam );
 
     case WM_DESTROY:
+#ifdef __REACTOS__
+        ERR("Entering WM_DESTROY with level of '%d'.\n", parent_level);
+        if (parent_level > 0)
+        {
+            if (dialog->hwnd == handle_parent_dialog[parent_level - 1])
+            {
+                handle_parent_dialog[parent_level - 1] = NULL;
+                parent_level--;
+                ERR("Decrementing handle parent level to '%d'.\n", parent_level);
+            }
+        }
+#endif
         dialog->hwnd = NULL;
         return 0;
     case WM_NOTIFY:
@@ -3854,15 +3871,43 @@ static UINT dialog_run_message_loop( msi_dialog *dialog )
     if (dialog->parent == NULL && (dialog->attributes & msidbDialogAttributesMinimize))
         style |= WS_MINIMIZEBOX;
 
+#ifdef __REACTOS__
+    if (parent_level > 0)
+    {
+        hwnd = CreateWindowW( szMsiDialogClass, dialog->name, style,
+                         CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
+                         handle_parent_dialog[parent_level - 1], NULL, NULL, dialog );
+    }
+    else
+    {
+        hwnd = CreateWindowW( szMsiDialogClass, dialog->name, style,
+                         CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
+                         NULL, NULL, NULL, dialog );
+    }
+#else
     hwnd = CreateWindowW( szMsiDialogClass, dialog->name, style,
                      CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
                      NULL, NULL, NULL, dialog );
+#endif
+
     if( !hwnd )
     {
         ERR("Failed to create dialog %s\n", debugstr_w( dialog->name ));
         return ERROR_FUNCTION_FAILED;
     }
 
+#ifdef __REACTOS__
+    if (!handle_parent_dialog[parent_level])
+    {
+        handle_parent_dialog[parent_level] = hwnd;
+        if (parent_level < 10)
+        {
+            parent_level++;
+        }
+        ERR("Incrementing handle parent level to '%d'.\n", parent_level);
+    }
+#endif
+
     ShowWindow( hwnd, SW_SHOW );
     /* UpdateWindow( hwnd ); - and causes the transparent static controls not to paint */