>Do i have to let the _msysmenu activated??
>If so, i have a problem, all my forms deactivate the menú i created, to avoid the user to use it.

I do believe that is your problem. YOu have to have at least a partial menu that is active. You can create your own menu with no options except Help [F1]. This same requirement exists for the Cut, Copy, Paste features to be available as well.