Exploring the 6000 Error in QuickBooks - The Ultimate Guide

Nov 3, 2023


Are you encountering the dreaded 6000 error in QuickBooks? Don't worry; you're not alone. QuickBooks users often face this error, which can disrupt their workflow and cause unnecessary stress. In this comprehensive guide, we will dive deep into the causes, solutions, and preventive measures to help you overcome the 6000 error in QuickBooks.

Understanding the 6000 Error

The 6000 error series is a common occurrence in QuickBooks that represents a range of issues related to company file data. It usually appears with an error message like "Error -6000," "Error -6000, -83," or "Error -6000, -77."

Some of the common causes of the 6000 error series include:

  • Company file corruption
  • Incompatibility between the company file and QuickBooks version
  • Insufficient permissions to access the company file
  • Firewall or security software blocking QuickBooks

Solutions for the 6000 Error

Now that you are familiar with the common causes of the 6000 error series, let's explore some effective solutions:

1. Verify and Rebuild Company File

In QuickBooks, you can verify and rebuild your company file using the built-in utilities. To do this:

  1. Go to the File menu and select Utilities.
  2. Choose Verify Data and let QuickBooks detect any errors. If errors are found, proceed to rebuild the data.
  3. Select Rebuild Data and wait for the process to complete.
  4. Once done, attempt to open your company file and check if the 6000 error persists.

2. Rename the .ND and .TLG files

The .ND and .TLG files are configuration files that QuickBooks uses to access company files in a network or multi-user setup. Renaming these files can help resolve the 6000 error.

3. Use the QuickBooks File Doctor

QuickBooks File Doctor is a powerful tool provided by Intuit to diagnose and fix common file-related errors, including the 6000 error series. Download and run this tool to automatically troubleshoot the issue.

4. Restore a Backup of the Company File

If you have a recent backup of your company file, you can restore it to a previous state before the 6000 error occurred. This can help eliminate any corruption or data-related issues causing the error.

5. Seek Professional Help

If none of the above solutions work, it might be time to seek professional assistance. Contacting QuickBooks support or a certified ProAdvisor can provide expert guidance tailored to your specific situation, ensuring a swift resolution to the 6000 error.

Preventive Measures to Avoid the 6000 Error

Implementing preventive measures can significantly reduce the chances of encountering the 6000 error in QuickBooks. Here are some proactive steps you can take:

1. Regularly Backup Your Company File

Take the time to create backups of your QuickBooks company file on a regular basis. This ensures that even if an error occurs, you can restore the latest working version without significant data loss.

2. Keep QuickBooks and System Updated

Regularly check for updates to both QuickBooks and your computer's operating system. Keeping your software up to date ensures compatibility and reduces the risk of encountering errors.

3. Maintain Sufficient Permissions

Ensure that all users have the appropriate file and folder permissions required to access QuickBooks and its associated company files. This prevents unnecessary access issues that may lead to the 6000 error series.

4. Exclude QuickBooks from Firewall or Security Software

If you have a firewall or security software installed, make sure to add QuickBooks to the exclusions list. This prevents the software from blocking QuickBooks' access to necessary files.

5. Regularly Run QuickBooks Tools

QuickBooks offers various tools like QuickBooks File Doctor and QuickBooks Connection Diagnostic Tool to diagnose and fix common errors. Running these tools periodically can help identify and resolve potential issues before they escalate.


Dealing with the 6000 error in QuickBooks can be frustrating, but with the right knowledge and solutions at your disposal, it doesn't have to be. This guide has provided you with a comprehensive understanding of the error, practical solutions, and preventive measures to safeguard your QuickBooks experience.

Remember to regularly backup your company file, keep your software updated, and follow best practices to minimize the chances of encountering the 6000 error. In case of persistent issues, don't hesitate to seek professional assistance.

With these strategies in place, you can ensure a smooth and uninterrupted workflow in QuickBooks, empowering you to focus on what truly matters: growing your business.

6000 error quickbooks
Lindsey Lyle
Great guide! Clear and informative explanations about the 6000 error in QuickBooks. Helpful solutions provided.
Nov 10, 2023