Can't connect to activity manager

Sometime when trying to launch the Android app in the Android emulator, we receive an error "Error 2 - Can't connect to activity manager; is the system running"

There the steps to fix this

This error occurs when your Android emulator is in a bad state. To correct this issue, goto the AVD Manager and wipe the data:

1. Start AVD Manager from Android Studio

2. Press wipe button