Update QuickBooks to the latest release, create a new user account, and ensure that the QBDataServiceUser(XX) has appropriate permissions to access the file.
Network errors such as error -6000, -80: "An error occurred when QuickBooks tried to access the company file," can occur when restoring a QuickBooks company file from a backup, updating a company file, or attempting to open a company file.
Provides steps to resolve error -6190, -82, which may occur when trying to open a company file on a Windows server.