Barnestorm has a notification system that is used to send important update or informational messages through a pop-up message.

You will click the notification that will appear in the lower, right corner of your screen.  This will open a web browser with the details of the message.  Often you may receive a URL link to open that will have even more details. 

Pop-up from lower, right corner of your screen:

Notification from the top near tool bar:

Message that pulls up in a web browser: 

Note: Your Notifications will need enabled in order for this to work. This is located in the blue "I" informational icon at the top of your Barnestorm tool bar or by clicking Ctrl + Alt + V. 

You can also opt to turn the sound off for the notifications.