After updating Windows 10 to build 10061 windows phone emulators (all 8.1 and 10) stopped starting. I get the following error: \"Windows Phone Emulator is unable to connect
Windows 10 pro.
After attempting all the above, and similar suggestions from other threads, what ultimately worked for me was to:
Not all the reboots may have been necessary, but I had been banging my head against this for too long.
I believe this was caused due to me adding and removing Hyper-V a few times in the past, and some VirtualBox conflicts (which I currently do not have installed, it hasn't played nice with Hyper-V for me in the past).
Thanks for all tips above, hope this helps someone.