Introduction

QuickBooks Error Code 6190, 816 occurs when QuickBooks Desktop cannot open the company file due to file corruption, data discrepancies, or mismatched transaction log files. This error is typically encountered in single-user or multi-user environments when QuickBooks fails to access the company file. Fixing this error is essential for seamless access to your financial records.

The error message usually states:

“Error 6190, 816: QuickBooks is unable to open this company file.”

This guide provides detailed troubleshooting steps to resolve QuickBooks Error Code 6190, 816.

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Causes of QuickBooks Error Code 6190, 816

1. Mismatched Transaction Log Files: The .tlg file does not match the company file (.qbw).
2. File is Open in Single-User Mode: Another user may be accessing the company file in single-user mode.
3. Damaged Company File: Corrupted or damaged company files can trigger this error.
4. Network Issues: Connectivity problems between the server and workstation in a multi-user setup.
5. Outdated QuickBooks Version: Using an outdated version of QuickBooks Desktop can lead to compatibility issues.

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Symptoms of QuickBooks Error Code 6190, 816

• Error message: “Error 6190, 816: QuickBooks is unable to open this company file.”
• QuickBooks crashes or becomes unresponsive while accessing the company file.
• You are unable to open the company file in multi-user mode.
• Performance issues such as slow processing when working with the company file.

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Steps to Fix QuickBooks Error Code 6190, 816

Step 1: Rename the .ND and .TLG Files

The .ND (Network Data) and .TLG (Transaction Log) files are configuration files that help QuickBooks access the company file in a multi-user environment. Renaming these files forces QuickBooks to recreate them, which can resolve access issues.

1. Locate the Company File:

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Step 2: Use QuickBooks File Doctor

QuickBooks File Doctor is a powerful tool that can detect and repair file-related issues.

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Step 3: Verify Hosting Settings

Ensure that the hosting settings are correctly configured on both the server and workstations.

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Step 4: Check for Multi-User Mode Issues

This error often occurs when another user opens the company file in single-user mode.

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Step 5: Update QuickBooks Desktop

Using the latest version of QuickBooks Desktop ensures compatibility and reduces errors.

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Step 6: Restore a Backup File

If the company file is damaged, restoring a backup can resolve the issue.

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Step 7: Perform a Clean Install of QuickBooks Desktop

If the above steps do not resolve the issue, performing a clean installation of QuickBooks Desktop may help.

7.1: Uninstall QuickBooks

7.2: Use the Clean Install Tool

7.3: Reinstall QuickBooks

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Additional Tips

• Backup Regularly: Create regular backups of your QuickBooks company file to prevent data loss.
• Use a Stable Network: Ensure a reliable network connection when using QuickBooks in multi-user mode.
• Keep QuickBooks Updated: Regular updates minimize errors and improve performance.

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Conclusion

QuickBooks Error Code 6190, 816 can interrupt your workflow, but it is fixable with the steps outlined in this guide. From renaming .ND and .TLG files to running QuickBooks File Doctor and restoring a backup, these solutions address the most common causes of the error.

If the issue persists, consider reaching out to QuickBooks Support or consulting a certified QuickBooks expert for advanced troubleshooting.

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• Conquer QuickBooks Error 6000-1076 – A Guide to Get Your Business Back on Track
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• Understanding and Resolving QuickBooks Error 6129