First, thank you qdba for your work.
At first I was plugging in, receiving 4 yellow blinks and after a while received a solid yellow. Nothing was created in the debug file or /tmp/log file. After changing the lang from de to us I now see powershell commands running however it seems to stop working (hangs) at the red cmd Administrator (c:\windows\system32) prompt. Again no debug or log information was written.
Host is W10, I've also tried on Win7 VM. BB is 1.1 with impacket and responder. I've tried it many times and still not working, not sure what the issue is.