Some users have reported experiencing "Error retrieving information from server" after completing one click setup and trying to install any app from app store, usually after a fresh BlueStacks installation.
In case you are facing this issue please click on the Retry button and that should fix the issue.
If this issue persists, please restart BlueStacks using this URL
You can also try using the steps in the link below.
If you have further questions, please email support at bluestacks dot com.