QuickBooks Error 6190 occurs when a user tries to access a company file in single-user mode while another user is already logged in. This error often appears alongside QuickBooks Error Code 6190, 816, indicating a mismatch between the company file and transaction log file. If you are encountering this issue, don’t worry—there are simple solutions to fix it.

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Causes of QuickBooks Error 6190, 816

This error usually occurs due to:

• A mismatch between the company file (.QBW) and transaction log file (.TLG).
• A user trying to access the file in single-user mode while another user is logged in.
• Corrupt or damaged company files.
• Network issues preventing access to the file.

Solutions to Fix QuickBooks Error 6190

Try these troubleshooting steps to resolve QuickBooks Error Code 6190, 816 and regain access to your company file.

1. Use QuickBooks File Doctor

QuickBooks File Doctor is a built-in tool that helps fix company file issues.

1. Download and install QuickBooks Tool Hub from Intuit’s website.
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, then restart QuickBooks.

2. Ensure Single-User Mode is Not Active

Make sure no other user is logged into QuickBooks in 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

If your .TLG and .ND files are corrupted, renaming them can resolve the issue.

1. Open the folder where your company file (.QBW) is stored.
2. Locate files with the same name as your company file but with .ND and .TLG extensions.
3. Right-click each file and select Rename (e.g., change it to companyfile.nd.old).
4. Restart QuickBooks and try opening your company file again.

4. Update QuickBooks to the Latest Version

Running an outdated version of QuickBooks can lead to errors. To update:

1. Open QuickBooks and go to Help > Update QuickBooks Desktop.
2. Click Update Now and wait for the process to complete.
3. Restart QuickBooks and check if the issue is resolved.

Conclusion

QuickBooks Error 6190, 816 can be frustrating, but following these troubleshooting steps can help you fix the issue. Whether it's using QuickBooks File Doctor, renaming files, or updating your software, these solutions will ensure smooth access to your company files.

Also Read : QuickBooks Error H202