Hello, I am new to the forum and I have this question a few days ago I received this cable for the so-called car diagnostics http://allegro.pl/vw-seat-audi-skoda-interfejs-vag-kkl-usb-kurier24h-i1469062975.html? source=oo I open the programs from the CD everything works fine I installed vcds 10.6.1 I open options>usb>test and Ross-Tech USB interface not found pops up! Could someone guide me? I desperately need this VCDS program, and urgently. Thanks in advance