You can run some bcedit commands from the command line to set ND Bit and VT
bcdedit /set hypervisorlaunchtype off
bcdedit /set nx AlwaysOn
Also do the install from https://software.intel.com/en-us/android/articles/intel-hardware-accelerated-execution-manager
If you're using Avast, disable "Enable hardware-assisted virtualization" under: Settings > Troubleshooting. Restart the PC and try to run the HAXM installation again
(instead of using the one downloaded through
