When opening Enterprise Solutions 14.0, QuickBooks Messenger, which allows you to communicate with other users currently logged in to the same company file, will close automatically after less than a minute.
This issue has been resolved in the latest release for QuickBooks
Update to the latest release:
Go to the Update to the Latest Release web page.
IMPORTANT: Make sure your product is selected. If not, click the Change link and select your QuickBooks product.
Select and follow the instructions for one of the update options: