AVD manager could not start virtual device. or /dev/kvm device: permission denied

AVD Manager Open AVD Manager if AVD manager could not start AVD or show this troubleshoot /dev/kvm device: permission denied. Then close AVD manager open your Terminal by press Ctrl + Alt + T and paste this line for give permission to run AVD Manager sudo chmod 777 -R /dev/kvm then again open your AVD Manager and start your (AVD) Android Virtual Device . like this if your problem solve. #LearnWebandAndroidApp