1> Mac book pro 2018. I7 16 GB ram 2> VM win10 (not activated) installed in external Static Hd. 2 core 4 gb ram 3> Installed Arduino, Atmel studio to name a few. 4> All software work fine. 5> When I plugin USB programer or Usb to Arduino cable - a. I am presented with choice - Mac or Guest. - We select guest. b. Parallel task bar shows USB to Serial Connected. c. Device does not work. d. Windows device manager says driver missing. 6> In bootcamp all these devices (with software installed) are plug & play. 7> Why these devices are not working in parallels ? 8> Note: Windows in not activated yet. - could this be any reason.