Step-by-Step Solutions for QuickBooks Error 6000 77 QuickBooks Error 6000 77 happens when a business file is not properly permissioned or is kept in the wrong folder. This error, which might be caused by network problems, corrupted files, or incorrect settings, can stop users from viewing the file. Usually, moving the file or changing permissions are the solutions. For knowledgeable QuickBooks phone assistance, dial 1.855.738.2784. URL:https://accountinghelpline1.godaddysites.com/f/tested-steps-to-resolve-quickbooks-error-6000-77