cozzie

can any one help i have an elm323 connected to my laptop and have recently bought a disc with digimoto4.03& proscan4.0a & scantool.net v1.3. the digimoto does not work nor the scntool but the proscan starts up it initalizes but says that the interface hard ware was detected and initialized but communication with the vehicle could not be established.
it also says verify that the vehicle protocol matches the iterface,
it also says system Null reference exeption not set to an instance of an object

any help with this one woulsd be gratefully recieved

yours cozzie