QuickBooks is widely used accounting software that provides various features and functionalities to help businesses manage their financial data efficiently. However, like any software, QuickBooks can encounter errors that may disrupt your workflow. One such error is QuickBooks Error 6190 and 77, which occurs when multiple users try to access the company file in single-user mode. This error can prevent you from opening the company file and may cause data inconsistency. In this guide, we will discuss the causes and symptoms of QuickBooks Error 6190 and 77, followed by step-by-step solutions to resolve the error and regain access to your company file.

How To Fix QuickBooks Error 6190 77?
How To Fix QuickBooks Error 6190 77?

1. Understanding QuickBooks Error 6190 and 77:


A. What causes QuickBooks Error 6190 and 77?

QuickBooks Error 6190 and 77 occurs when multiple users try to access the company file in single-user mode. Some common causes of this error include:

  • A mismatch between the company file (.QBW) and the transaction log file (.TLG).
  • Incorrect network setup or configuration.
  • Antivirus or firewall restrictions blocking QuickBooks processes.
  • Unauthorized access or insufficient user permissions.

B. Symptoms of QuickBooks Error 6190 and 77:

You may experience the following symptoms when QuickBooks Error 6190 and 77 occurs:

  • Error message: “QuickBooks was unable to open the company file.”
  • Inability to open the company file in single-user mode.
  • QuickBooks freezes or crashes when accessing the company file.
  • Data inconsistency or discrepancies in the company file.

Read Also : How To Fix QuickBooks Error 6190?

2. Precautionary Measures:


A. Create a backup of your company file:

Before attempting any troubleshooting steps, it is essential to create a backup of your company file to ensure data safety in case of any unforeseen issues during the resolution process.

B. Ensure proper network connectivity:

Check your network connection to ensure it is stable and properly configured. Verify that all users are connected to the network and have proper access rights to the company file.

C. Update QuickBooks to the latest version:

Keeping QuickBooks updated with the latest releases and patches helps resolve known issues and improves the overall stability of the software. Update QuickBooks to the latest version available.

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3. Solutions to Fix QuickBooks Error 6190 and 77:


A. Solution 1: Run the QuickBooks File Doctor:

The QuickBooks File Doctor is a built-in tool that can help resolve common company file issues. Follow these steps to use the QuickBooks File Doctor:

  • Close QuickBooks if it is open.
  • Download and install the QuickBooks Tool Hub from the official Intuit website.
  • Open the QuickBooks Tool Hub.
  • Select the “Company File Issues” tab.
  • Click on “Run QuickBooks File Doctor” and select the company file from the list.
  • Follow the on-screen instructions to diagnose and repair any file-related issues.

B. Solution 2: Use the QuickBooks Database Server Manager:

The QuickBooks Database Server Manager helps in managing the QuickBooks company files for multi-user access. Follow these steps to use the QuickBooks Database Server Manager:

  • Close QuickBooks on all workstations.
  • Open the QuickBooks Tool Hub.
  • Select the “Network Issues” tab.
  • Click on “QuickBooks Database Server Manager.”
  • Browse to the folder containing your company file and click “Start Scan.”
  • Once the scan is complete, try opening the company file again.

C. Solution 3: Rename the .ND and .TLG files:

Renaming the Network Data (.ND) and Transaction Log (.TLG) files can resolve issues related to file mismatch. Follow these steps:

  • Open the folder containing your company file.
  • Locate the files with the same name as your company file but with extensions .ND and .TLG (e.g., company_file.qbw.ND, company_file.qbw.TLG).
  • Right-click on each file and choose “Rename.”
  • Add the word “.OLD” at the end of each file name (e.g., company_file.qbw.ND.OLD, company_file.qbw.TLG.OLD).
  • Restart QuickBooks and try opening the company file.

D. Solution 4: Copy the company file to the local drive:

Copying the company file to the local drive can help identify if the issue is related to the network or file location. Follow these steps:

  • Create a new folder on your computer’s local drive (e.g., C:\QBTest).
  • Open the folder containing the company file.
  • Locate the company file with the .QBW extension.
  • Right-click on the company file and choose “Copy.”
  • Paste the copied file into the newly created folder on the local drive.
  • Open QuickBooks and navigate to the new folder to open the company file.

E. Solution 5: Use the UNC path instead of the mapped drive:

Using the Universal Naming Convention (UNC) path instead of the mapped drive can resolve issues related to incorrect mapping. Follow these steps:

  • Open QuickBooks and go to the “File” menu.
  • Select “Open or Restore Company” and choose “Open a company file.”
  • Click on “Network Places” or “Entire Network” to locate the company file.
  • Browse to the folder where the company file is located.
  • Select the company file with the .QBW extension and click “Open.”

F. Solution 6: Reinstall QuickBooks using a clean install:

If none of the above solutions work, you can try reinstalling QuickBooks using a clean install. This ensures that all previous QuickBooks files are removed, and a fresh installation is performed. Before proceeding with a clean install, it is important to have a backup of your company file and a copy of your QuickBooks license information.

Read Also : How To Fix QuickBooks Error 6176 0?

4. Additional Tips to Prevent QuickBooks Error 6190 and 77:


A. Update QuickBooks regularly:

Regularly check for updates and install the latest releases and patches provided by Intuit. This helps resolve known issues and ensures that your QuickBooks software is up to date.

B. Avoid abrupt shutdowns or power outages:

Abrupt shutdowns or power outages can lead to data corruption or file-related issues. It is important to have a backup power source or an uninterruptible power supply (UPS) to prevent such occurrences.

C. Use a stable and reliable network connection:

Ensure that your network connection is stable and reliable. Check your network equipment, cables, and internet connection to avoid disruptions that may cause QuickBooks Error 6190 and 77.

D. Avoid working on the company file in single-user mode:

If multiple users need to access the company file, make sure to use multi-user mode instead of single-user mode to prevent conflicts and data access issues.

E. Create and maintain proper user permissions:

Set up appropriate user permissions for each user accessing the company file. Grant the necessary read/write access to prevent unauthorized access or data inconsistencies.

Read Alos : How To Fix QuickBooks Error 6147 0?

5. Frequently Asked Questions (FAQs):


A. What should I do if none of the solutions work?

If none of the solutions mentioned above resolve QuickBooks Error 6190 and 77, you can try reaching out to QuickBooks support for further assistance. They can provide advanced troubleshooting steps or escalate the issue if required.

B. Can I prevent QuickBooks Error 6190 and 77 from occurring again?

While it’s difficult to guarantee that the error will never occur again, following the precautionary measures mentioned in this guide and keeping your QuickBooks software and system updated can help minimize the chances of encountering QuickBooks Error 6190 and 77.

C. Can I recover data if the company file is damaged?

In case of a damaged company file, you can try using the QuickBooks Auto Data Recovery feature. This feature automatically creates a backup of your company file and can help recover lost or damaged data. Additionally, it’s recommended to create regular backups of your company file to ensure data safety and enable restoration if needed.

Read Also : How To Fix QuickBooks Error 6144 82?

6. Conclusion:


QuickBooks Error 6190 and 77 can be frustrating, but by following the step-by-step solutions mentioned in this guide and taking necessary precautions, you can resolve the error and regain access to your company file. Remember to keep your QuickBooks software and system updated to prevent such errors in the future. If you encounter any difficulties, it’s always recommended to seek assistance from QuickBooks support or consult with a certified QuickBooks professional.

Geeks Jonson : Jonson is a highly skilled accounting specialist and QuickBooks expert with a deep passion for numbers and financial management. With years of experience in the field, Jonson has established himself as a trusted professional known for his exceptional expertise in accounting and proficiency in QuickBooks software. Jonson's comprehensive knowledge of accounting principles, financial analysis, and regulatory compliance sets him apart in the industry.