If Ross-Tech removes the version from their server, the Wayback Machine may have cached copies. Verify the MD5 checksum against known good values.
Windows assigned the wrong COM port or the driver is not bound to the interface. Ross Tech Usb Driver 03.02.07 Download
The specific 03.02.07 version belongs to a class of USB library drivers that facilitate communication between diagnostic hardware and various operating systems. Google Groups Virtual COM Port (VCP) Emulation If Ross-Tech removes the version from their server,