After having upgraded to Windows 10 I found that I had some networking issues running the Xamarin Android Player.  When trying to start the emulator it would attempt to create a new Host-Only adapter and would constantly fail.  I ended up with 6 adapters configured.  It was constantly asking me to reboot the computer as well.  None of this worked.

The Xamarin Android Player is also expecting a very specific network configuration.  What I ended up doing to fix this issue is:

Launch VirtualBox

  1. Go to File -> Preferences -> Network then the “Host-Only Networks” tab
  2. Delete all the spurious adapters named “VirtualBox Host-Only Ethernet Adapter <somenumber>#” leaving just one
  3. Double-click the remaining adapter and enter all these details:

IPv4 Address:
IPv4 Network Mask:

DHCP Server;
Server Address:
Server Mask:
Lower Address Bound:
Upper Address Bound:

Now when starting a Xamarin Android Player instance you should see it boot as expected but with full network access and without attempting to create new Host-Only adapters.

Upgrading to Windows 10
Enable ASP.NET 4.5 On Windows 10 or Windows 8/8.1

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