Unable to start the Windows Phone Emulator

visual-studio-2013 emulation virtualization hyper-v windows-phone-8-emulator
truongnm picture truongnm · Sep 27, 2014 · Viewed 11.7k times · Source

I've seen this error several times. Each time I google deeply and finally made me reinstall my windows and all stuffs. Please help, I don't want to reinstall everything again. The error is:

Windows Phone Emulator

Unable to start the Windows Phone Emulator

Windows Phone Emulator is unable to start because 
the hypervisor is not running. The likely cause is
that hardware-assisted virtualization is not enabled.

Check your computer's BIOS to ensure that hardware-
assisted virtualization and hardware-assisted data 
execution features are enabled.

Unable to start the Windows Phone Emulator

But yesterday I debugged really normally on Windows Phone using Emulator and I really sure
I've turned on Virtualization in BIOS and also in Turn Windows features on or off : Turned on all

Sometimes when I hit f5 the IDE come with another error: 0x80131500 enter image description here

My PC: windows 8.1 ultimate 64b, 4gb ram, i3, Visual Studio 2013 RC3

Answer

truongnm picture truongnm · Sep 27, 2014

Finally after struggling all day, I solved it ^^ I post the solution here so that somebody don't have to waste time just like me to solve such a silly error!

  1. Just simple disable Hyper-V option in Turn Windows features on or off (you could open this by hit the combination Windows + S, this will open the search box, then type "Turn Windows features on or off"
  2. restart your PC
  3. enable the Hyper-V option by using the same way as step 1.

Enjoy coding :D

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