Opening a company file in QuickBooks occurs in an error message "QuickBooks Error 6000 77." The company file is stored in an incorrect location or the folder containing the file lacks the necessary permissions. This error can disrupt access to important financial data. Resolving it involves verifying file location, adjusting folder permissions, and utilizing QuickBooks File Doctor or seeking assistance from QuickBooks technical support or call us at 1.855.738.2784 to get direct assistance from our support team.