Index: win32ss/user/ntuser/focus.c
===================================================================
--- win32ss/user/ntuser/focus.c	(revision 70781)
+++ win32ss/user/ntuser/focus.c	(working copy)
@@ -535,7 +535,8 @@
    else
    {
        //ERR("Activate Not same PQ and WQ and Wnd.\n");
-       co_IntSendMessage(hWnd, WM_ASYNC_SETACTIVEWINDOW, (WPARAM)Wnd, (LPARAM)MouseActivate );
+       //co_IntSendMessage(hWnd, WM_ASYNC_SETACTIVEWINDOW, (WPARAM)Wnd, (LPARAM)MouseActivate );
+       co_IntSendMessageNoWait(hWnd, WM_ASYNC_SETACTIVEWINDOW, (WPARAM)Wnd, (LPARAM)MouseActivate );
        Ret = TRUE;
    }
    return Ret && fgRet;