Sometimes users might get error "google play services has stopped working" since Google Services keep releasing new updates or user might sometimes experience black screen while playing few apps which requires play services like clash of clans, hayday etc.:
The issue has been fixed in our latest build. Download the latest version of the app player from our official website www.bluestacks.com.
You can also follow the steps mentioned below to fix this on the app player.
a) Launch App Player.
b) Download and execute the Troubleshooter File
c) Now restart the app player by following the steps mentioned in the link http://support.bluestacks.com/hc/en-us/articles/202515648-How-to-Quit-Restart-BlueStacks-