Error code 6000 77 QuickBooks

QuickBooks Error 6000 77: What is it? How to Fix it?

The QuickBooks error 6000 XX series refers to a group of errors that occur within the QuickBooks accounting software. These errors are often related to issues with opening or accessing company files, and can be caused by a variety of factors such as network connectivity issues, damaged files, or incorrect file permissions. Some common error codes in the QuickBooks error 6000 series include QuickBooks error 600 77,6000 80,6000 95, 6000 83 and so on.


What is QuickBooks Error 6000 77?

QuickBooks Error 6000 77 is a common error that occurs when trying to access a company file stored on a different computer. This error is usually caused by damaged or incorrect network settings, a firewall that blocks QuickBooks access, or a damaged company file. The error message that displays reads: “Error 6000, 77: An error occurred when QuickBooks tried to access the company file.”

Reasons for Occurring QuickBooks Error 6000 77

These are the following reasons to occurs QuickBooks Error code -600 -77

  • Network connectivity issues: The error can occur if there is a problem with the network connection between the computer hosting the company file and the computer trying to access it.
  • Firewall blocking: Firewall security settings can block QuickBooks from accessing the company file, causing the error to occur.
  • Incorrect folder permissions: If the folder that holds the company file does not have the correct permissions set, the error can occur.
  • Damaged company file: If the company file is damaged or corrupted, QuickBooks may not be able to access it, resulting in the error.
  • Outdated QuickBooks software: Running an outdated version of QuickBooks can cause compatibility issues and result in the error so make sure you will update QuickBooks software to the latest version of QuickBooks.
  • Virus or malware: A virus or malware infection can damage or corrupt system files, including the company file, causing the error.
  • Improper installation of QuickBooks: If QuickBooks is not installed correctly, it may not function properly, resulting in the error.

Solutions to Fix QuickBooks Error code 6000 77

The solutions of QB error code 6000 77 are given below, You can try all the methods to resolve this error.

Method1: Verify Network Connectivity

Verify Network Connectivity

  • Check the network connection between the computer hosting the company file and the computer trying to access it.
  • Ensure both computers are on the same network and can communicate with each other.
  • Try pinging the computer hosting the company file to check connectivity.
  • Restart both computers to resolve any network issues.
  • Check the network cable and port for any damage or connectivity issues.

Method 2: Configure Firewall Settings

  • Open your firewall security software.
  • Add QuickBooks to the list of allowed applications.
  • Ensure that the firewall is not blocking QuickBooks from accessing the company file.
  • Check the firewall logs for any blocked connections.
  • Restart the firewall service to apply changes.

Method 3: Set Folder Permissions

Set Folder Permissions

  • Right-click the folder that has the company file and select Properties.
  • Go to the Security tab.
  • Ensure the necessary permissions are set for the users who need access to the company file.
  • Apply changes to the folder permissions.
  • Restart both computers to apply the changes.

Method 4: Restore a Backup

  • If the company file is damaged or corrupted, restoring a backup can resolve the error.
  • Locate the latest backup of your company file.
  • Restore the backup in QuickBooks.
  • Create a new company file.
  • Try opening the new company file to ensure the error is resolved.

Method 5: Use the QuickBooks File Doctor

  • Download and run the QuickBooks File Doctor.
  • Select the company file that is causing the error.
  • Run a diagnostic scan on the company file.
  • Repair any data damage found by the diagnostic scan


Ensuring that your network connectivity and firewall settings are configured properly is essential to avoiding QuickBooks Error 6000 77. Regularly checking and updating these settings can prevent errors from occurring and ensure a seamless experience. If none of the solutions listed above works, it may be necessary to seek help from a QuickBooks professional or support team. They have the expertise and tools to diagnose and resolve complex issues and prevent data loss.

Frequently Asked Questions (FAQs)

Q.1 Can QuickBooks Error 6000 77 result in data loss?

Yes, if not resolved in a timely manner, Error code 6000 77 QuickBooks can result in data loss or corruption. It is important to take steps to resolve the error as soon as it is detected.

Q.2 Is it necessary to regularly backup QuickBooks data?

Yes, it is essential to regularly backup QuickBooks data to avoid frustration and prevent data loss in case of errors like QuickBooks Error code 6000 77 or other unexpected issues. Regular backups can ensure that your data is always safe and secure.

Q.3 Can firewall settings cause QuickBooks Error 6000 77?

Yes, firewall settings can cause QB Error 6000 77. If the firewall is blocking access to the company file, it can result in an error message when trying to open the file. Configuring the firewall to allow access to QuickBooks and the company file can resolve the issue.

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