guys - I'm stuck, probably something stupid.
I've been continuously editing while making devices over the past months, so I'd have the M4L device open in Max all the time (I have the full version of Max 6)
Only now do I find that when I close Max, the M4L device doesn't communicate with the outside world, either udp receive or just a simple receive object, listening to a Max patcher.
No idea what's going on!! hope this is an obvious one...