> I understood where is the problem.
> You must compile your own hbmame without the osd=winui.
> The "gui" frontend has problems, no plugin possible, no cheat, no windowed mode
> possible, even with the good values in the ini.
> Without the ui interface, there is no problem.
> Curiously with "arcade (old FX)" emulation it is the same problem......
All those things work in the winui build for me.