"C:\Support\Utils\WinSCP\winscp" /script=C:\Support\Scripts\CorrectAddress\CA_Update_Get.txt /parameter "User:Password" "sftp.url.com" "/CorrectAddress/CAN" "C:\Support\Scripts\CorrectAddress\incoming\CAN\" "*.*" /loglevel=0 /log=C:\Support\Logs\CA_Update_Get_.log
...
You did not answer my question.
And I'm not getting "Too many parameters for command 'open'" error when running your code.
Though btw, doesn't your username or password contain a space?