To fix QuickBooks Error Code 6000 77, which typically occurs when your company file is damaged or the network connection is blocked, first ensure that all users are logged out of QuickBooks and that the file is stored in a shared folder with proper permissions. Use the QuickBooks File Doctor or the QuickBooks Tool Hub to scan and repair the company file. Verify that QuickBooks Database Server Manager is running on the host computer and that firewall or antivirus settings are not blocking QuickBooks communication. Also, confirm that all users are on the same QuickBooks version. If the error persists, call +1 (302) 205-4658 for professional QuickBooks support to quickly resolve the issue.
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