HI, I HAVE BOUGHT ELM 323 INTERFACE, BUT MY LAPTOP DOESNT HAVE COM PORT, SO I HAVE BOUGHT USB SERIAL CABLE - USB A TYPE MALE/DB9 MALE. BUT ONCE LOAD THE SCANTOOL SOFTWARE IT ASKS FOR COM PORT AND IT DOESNT RECOGNISE THE USB PORT, SO CAN YOU TELL ME HV U GOT THE SOFTWARE WHICH WILL RECOGNISE THE USB TO COM PORT CABLE..