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 to the Windows Phone operating system. Couldn`t setup the UDP port"
I tried "reparing" emulators, but nothing changed.
Hyper-V manager shows that virtual machine works, and it can be started directly from Hyper-V manager. As i said, in previous windows 10 TP builds it was OK.
The solutions above did not work for me. I found out that the issue was with the Hyper v adapters so I decided to deleted them which caused hyper -v to create them again.
These are the steps
Run cmd as admin and enter the following commands
set devmgr_show_nonpresent_devices=1
start devmgmt.msc
This will startup the device manager and show the list of hyper v network adapters
Right click and uninstall all hyper v network adapters
Open Hyper v manager and delete the virtual machines
From Virtual Switch Manager (right side of hyper-v manager), delete all internal switches
Restart the system and run visual studio and launch emulator
See this for more info http://www.gfi.com/blog/how-to-remove-hidden-network-adapters-from-virtual-machines/