How to repair ECUHELP KT200 “open device error”?

This is the first time when the KT200 2023 software is installed and the driver cannot be detected. Turn off this error message and continue the installation, and then install the driver in the device manager:

Device manager -> Universal Serial Bus Controller -> DFB-Technology DFOX);
In another method: C -> KT200-Master -> remote -> driver

ECUHELP KT200 tech support whatsapp group: