I'm also having those (DOSBox), and for now I have not yet identified the reason (to be honest I've not put too much though into the issue yet). So if you can guess why it seems to affect some apps only please tell Other than that, it's a cool app
WM_HINTS(WM_HINTS): bitmap id # to use for icon: 0x300000d bitmap id # of mask for icon: 0x300000b
WM_HINTS(WM_HINTS): Client accepts input or input focus: True Initial state is Normal State. window id # of group leader: 0x2c00001