had to take the wideband out of the car and take home to pc, got it working now.
my first tip is to not use a laptop with a usb adaptor, not very reliable.
secondly, don't change firmware, it won't work afterwards lol!
the megatune that the forum links to is what you need, it's different from the one i use for my megasquirt and is specific for the wideband.
not worked much else out yet, but after 5 mins on the pc with it, it's good again.