Interface Checker Download Link ((free)): Psa
This means the software cannot see the hardware. Swap your USB port (use USB 2.0 instead of USB 3.0), reinstall the Actia drivers, or supply 12V power to the interface by plugging it into a car's OBD port.
Scan the downloaded archive with an updated antivirus tool before extracting. If the package asks you to disable your antivirus entirely or contains unrecognized .exe installers alongside the utility, delete it immediately. Installation Steps Download the ZIP or RAR archive containing the tool. psa interface checker download link