Start this exception after the AS configuration simulator:
emulator: ERROR: x86 emulation currently requires hardware acceleration!
Because you need an Intel hardware Accelerator, check the three steps
1, check the Intel x86 Emulator Accelerator(HAXM installer) in SDK Tools is installed;

Go to the SDK \ Extras \ Intel \Hardware_Accelerated_Execution_Manager folder and double-click to install Intel HaXm-Android.exe.
if the installation is successful, just go to AS to reinstall the emulator.