So here\'s the issue:
Regardless of which Android device I choose,
Well that is strange indeed. Does it happen with emulators from all API levels?
Have you updated your Android SDK tools to version 27 already? Also, check out the Android Blog post with important SDK tools release notes to help you with the emulator setup. Emulator installation is becoming more and more cumbersome in each SDK release and API level, now they even depend on your type of processor... anyway, if you follow the instructions it should eventually work fine.