Peter, thanks for asking me to double check. Took a break, came back, Problem solved... I knew it had to be something simple. Somehow the android sdk ver 27 got installed at: C:\Users\User1\AppData\Local\Android\android-sdk\platforms\android-27. Once I pointed the system to C:\android\platforms\android-27 everything worked. I have no idea how the sdk got installed in my user folder. I guess I wasn't paying attention!