*** src-o\xdisp.c	Wed Jan 31 23:55:27 1996
--- src\xdisp.c	Sat Feb 03 17:56:29 1996
***************
*** 1281,1287 ****
--- 1281,1293 ----
    window = FRAME_SELECTED_WINDOW (f);
    w = XWINDOW (window);
    
+ #ifdef HAVE_NTGUI
+   /* It takes too much time on Win32 to update the menu so often,
+      so only update on window or buffer changes.  */
+   if (windows_or_buffers_changed)
+ #else
    if (update_mode_lines)
+ #endif
      w->update_mode_line = Qt;
  
    if (FRAME_WINDOW_P (f)
