How to Resolve QuickBooks Error 6190


Encountering errors while using QuickBooks can disrupt your business’s accounting processes. One common issue is QuickBooks Error 6190, which typically occurs when multiple users attempt to access the company file in single-user mode or when there are discrepancies between the company and transaction file. This guide provides step-by-step instructions to help you effectively understand and resolve QuickBooks Error 6190.

Understanding QuickBooks Error 6190

QuickBooks Error 6190 may occur when the TLG file does not match the QBW file. Additionally, this error could appear if the company file is updated on a different computer without updating the transaction file. Resolving these conflicts is crucial to regain access to your QuickBooks data.

Symptoms of Error 6190

  • QuickBooks fails to open the company file.
  • The system frequently freezes or crashes when running the same program.
  • An error message directly indicating “QuickBooks Error 6190” pops up.

Causes of QuickBooks Error 6190

  • Discrepancies between the company file and transaction log file.
  • The company file is being accessed in single-user mode by another user.
  • Data corruption in the QuickBooks data file might also trigger this error.

Step-by-Step Solutions to Fix Error 6190

Solution 1: Use QuickBooks File Doctor

Download and install the QuickBooks Tool Hub from Intuit’s official website. Use the File Doctor tool to scan and repair your company file. The steps include:

  1. Open QuickBooks Tool Hub.
  2. Go to the ‘Company File Issues’ tab.
  3. Click ‘Run QuickBooks File Doctor’.
  4. Please choose your company file from the drop-down or browse to locate it.
  5. Select ‘Check your file’ and click ‘Continue’.
  6. Enter your QuickBooks admin password and click ‘Next’.

Solution 2: Check Single-User Mode

Ensure that no other user is accessing the company file in single-user mode.

  1. Ask all users to close QuickBooks.
  2. Restart all workstations.
  3. Open QuickBooks and try accessing the file again.

Solution 3: Match the Transaction Log File and Company File

  • Locate your company file on your server.
  • You’ll see two files sharing your company’s name but with different extensions: QBW.ND and . QBW.TLG.
  • Rename the.TLG file, for example, from MyCompanyFile.QBW.TLG to MyCompanyFile.QBW.TLG.OLD.
  • Please do not delete this file, as it can recover lost data.
  • Reopen QuickBooks and try to log in to your company file.

Advanced Troubleshooting

If the error persists after trying the solutions above, consider the following advanced troubleshooting methods:

  • Revert to a previous backup of your company files if the error is due to data corruption.
  • Ensure QuickBooks is updated to the latest release to avoid compatibility issues.
  • Reinstall QuickBooks software to ensure all components are correctly installed and functioning.


QuickBooks Error 6190 can hinder your business operations, but resolving it is quite manageable with the right steps. Using tools like QuickBooks File Doctor and ensuring proper file setup can help you maintain seamless operations. If problems continue, seeking assistance from a QuickBooks professional may be beneficial to prevent data loss and further complications.

Contact QuickBooks Support

If you need further assistance or encounter other errors, it is advisable to contact QuickBooks support. They provide expert help and can guide you through complex issues to ensure your accounting software runs smoothly.

April 16, 2024

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