How Do I Fix QuickBooks Company File Error 6190 and 816

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QuickBooks is a powerful accounting software used by millions of businesses worldwide to manage their financial operations efficiently. However, like any software, QuickBooks can encounter errors that disrupt workflow and cause frustration. One such error is the QuickBooks Company File Error 6190 and 816. In this article, we'll delve into what this error is, its possible causes, and effective solutions to resolve it.

What is QuickBooks Company File Error 6190 and 816?

QuickBooks Error 6190 and 816 is a company file error that occurs when a user tries to access a QuickBooks company file, but the file is either not accessible or corrupted. This error typically appears with an error message indicating that QuickBooks was unable to open the company file.

Reasons Behind QuickBooks Company File Error 6190 and 816:

  1. Mismatched Transactions: One of the most common causes of this error is when there's a mismatch between the transactions recorded on the server and those on the workstation.

  2. Single User Mode: If the company file is accessed in Single User Mode by one user while another user tries to access it simultaneously, it can lead to this error.

  3. Network Issues: Problems with the network connection, such as poor network connectivity or a network outage, can also trigger Error 6190 and 816.

  4. Data Corruption: If the company file is damaged or corrupted, either due to improper shutdowns, power outages, or malware infections, it can result in this error.

Solutions to Fix QuickBooks Company File Error 6190 and 816:

  1. Use QuickBooks File Doctor: QuickBooks File Doctor is a diagnostic tool provided by Intuit to fix various QuickBooks-related issues, including company file errors. Download and run the QuickBooks File Doctor tool, and follow the on-screen instructions to scan and repair the company file.

  2. Ensure Single User Mode: Make sure that only one user is accessing the company file at a time. If multiple users need to access the file simultaneously, consider switching to Multi-User Mode.

  3. Update QuickBooks and Server: Ensure that both QuickBooks software and your server are updated to the latest version. Outdated software can sometimes cause compatibility issues leading to errors.

  4. Check Network Connectivity: Verify that your network connection is stable and functioning correctly. Troubleshoot any network issues that may be affecting the communication between QuickBooks and the company file.

  5. Rename .TLG and .ND Files: Renaming the transaction log file (.TLG) and network descriptor file (.ND) associated with the company file can sometimes resolve the error. Simply add ".old" at the end of the file names to rename them, and then try opening the company file again.

  6. Restore a Backup: If the company file is severely damaged and cannot be repaired, you may need to restore a backup of the file from a previous point in time when it was working correctly.

  7. Contact QuickBooks Support: If none of the above solutions work, it's advisable to seek assistance from QuickBooks customer support. They can provide further troubleshooting steps tailored to your specific situation and help resolve the error.


QuickBooks Company File Error 6190 and 816 can be a frustrating issue, but with the right troubleshooting steps, it can be resolved effectively. By following the solutions outlined in this article and addressing the possible causes of the error, you can get your QuickBooks company file back up and running smoothly.


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