Open Android SDK Manager and install Android Emulator Hypervisor Driver for AMD Processors. In Visual Studio, you will find this in Tools/Android/Android SDK Manager. Make sure that you have HAXM disabled.
Open command prompt with administrativ rights and browse to C:\Program Files (x86)\Android\android-sdk\extras\google\Android_Emulator_Hypervisor_Driver>
execute silent_install.bat and check the state which should be running: