My program is a DOS program. It needs a COM port (either COM1 or COM2) in order to run. I don't know if it's compatible with the ELM323 (I'm using the ELM322). I've never tried running it in Windows, so no promises there either.
If you're using Windows, check the device manager under "Universal Serial Bus Controllers", and make sure the USB/Serial converter is listed. Also check under "Ports" to see which COM port number (if any) is being assigned to it.
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..