QuickBooks Error 6190 occurs when users try to access a company file in a single-user mode but another user is already logged in. This error often appears with QuickBooks Error Code 6190, 816, indicating a mismatch between the company file and transaction log file. If you’re facing this issue, don’t worry—you’re not alone. Many QuickBooks users encounter this error, but the good news is that it can be fixed with the right steps.

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Causes of QuickBooks Error 6190, 816

Several reasons may trigger QuickBooks Error 6190, including:

• Another user is logged into the company file in single-user mode.
• A mismatch between the company file (.QBW) and transaction log file (.TLG).
• Corrupted or damaged company files.
• Network issues preventing access to the company file.
• Insufficient user permissions to open QuickBooks files.

How to Fix QuickBooks Error 6190

Follow these troubleshooting steps to resolve QuickBooks Error Code 6190, 816 effectively.

1. Use QuickBooks File Doctor

QuickBooks Tool Hub offers a built-in QuickBooks File Doctor, which can fix company file errors.

1. Download and install QuickBooks Tool Hub from Intuit’s official site.
2. Open the tool and go to Company File Issues.
3. Click Run QuickBooks File Doctor and select your company file.
4. Wait for the scan to complete and restart QuickBooks.

2. Verify Single-User Mode

Ensure no other user is logged in with single-user mode:

1. Ask all users to log out of QuickBooks.
2. Restart your computer.
3. Open QuickBooks in multi-user mode and check if the issue persists.

3. Rename the .TLG and .ND Files

Corrupted .TLG and .ND files can cause QuickBooks Error 6190. Renaming them can help:

1. Open the folder where your company file (.QBW) is stored.
2. Find the files with the same name as your company file but with .ND and .TLG extensions.
3. Right-click each file and rename it (e.g., add .OLD at the end).
4. Restart QuickBooks and check if the error is resolved.

4. Update QuickBooks to the Latest Version

Running an outdated version of QuickBooks may trigger compatibility issues. To update:

1. Open QuickBooks and go to Help > Update QuickBooks Desktop.
2. Click Update Now and wait for the update to install.
3. Restart QuickBooks and try opening your company file again.

Conclusion

QuickBooks Error 6190, 816 can be frustrating, but by following the steps above, you can resolve the issue efficiently. Using QuickBooks File Doctor, verifying user modes, renaming files, and updating QuickBooks should help you regain access to your company file. If the problem persists, seeking expert assistance is the best solution.

Also Read: QuickBooks Error H202