How To Fix QuickBooks Error 6190 -816 [Quick Solution]

QuickBooks Error 6190 816

QuickBooks Error 6190 816 appears while opening the company files. It may be caused when another user tries to login into the file in “single-user” mode. It may appear when the company file and the transaction log file are mismatched. Mostly QuickBooks Error 6190 816 occurs due to the transactions which are not similar to each other, or in case company file is viewed in Single User Mode continuously. It can be problems with the network connection or corrupted data as well.

It can happen when transactions on the server and workstation don’t match up when multiple people try to view the same file simultaneously in Single User Mode, when there are problems with the network, or when files get damaged because of bad shutdowns or malware infections. These differences stop the data from being in sync, which means QuickBooks gets problems when it tries to open the company file. For smooth functioning in the QuickBooks setting, fixing 6190 error quickbooks and 816 means addressing these underlying problems.

What is QuickBooks Error 6190 816?

QuickBooks Error 6190 816 occurs when the user tries to open a company file but the host computer is not able to render/access the file. As a result, the user is unable to open the company’s file. So in this post, we will read all information about this error i.e. its reasons and solutions. Also, the error description and message window look like this:

QuickBooks Error 6190 Status Code 86

When transaction log and company file doesn’t match while opening a company file in multi-user mode, the quickbooks 6190 816 error message appears. Usually, this problem happens because of different versions of files, issues with the network, or damaged data. To fix this problem, you must match up the data, update QuickBooks, and ensure the network is connected. Sometimes you may notice that quickbooks is unable to open this company file 6190.

Reasons for its occurrence of QuickBooks Error 6190 816

Some major reasons for their descriptions are mentioned below:

  • The transaction log file is not matched with the company file:

It is the file that records are transaction activities performed by the companies. The log file is automatically saved. It is saved as (file name of the company). qbw.tlg file.  It occurs when the “.TLG” file does not match with the “.QBW” file.

  • Update Failure

This is one of the common and major reasons for the pop-ups of the error message window. It happens when a file of a company is updated, letting the transaction file un-updated.

QuickBooks Error 6190, 816

  • Single User Mode

Each mode of QuickBooks has awn facilities. When another person tries to open the company file while a user is accessing that file, then this error occurs. 

  • Data Corruption

The database/data of QB files or company files is damaged. That’s why this error occurs.

How to solve QuickBooks Error 6190 816?

There are many solutions for eliminating this error, some are mentioned below:

  • Method 1:- Update QuickBooks
  • Method 2:- Rename the file
  • Method 3:- Single-Mode User Check
  • Method 4:- Update Windows

Method 1: to resolve QuickBooks Error 6190, 816:- Update QuickBooks

If this message window appears on the workstation’s screen then update your accounting software to a newer or updated version. The steps are listed below:

  • Make sure to shut down all the opened files of the company and then close QB.
  • Now try to run QB as administrator by right-clicking on the icon of the QB. 
  • Now visit the “No Company Open” option, then choose the “Help” menu and select “Update QuickBooks”.
No Company Open
update quickbooksac
  • The next step is to visit the “Options” tab, then choose “Mark All”. Now hit “Save”.
  • Now choose the “Update Now” tab, and consider the “Reset Update” box.
  • At last go for the “Get Updates” section.
Get Updates
  • After a complete update, close QB.
  • Now open QB and hit the “Yes” option when the update message appears.
  • Now it’s time to restart your workstation and QB.

Method 2: to resolve QuickBooks Error 6190, 816:- Rename the file

It is recommended to create a backup file so that you can prevent data loss. The seminal steps are listed below:

  • Open the respected folder where the file of the company is stored.
  • It is necessary to note that the company file and the transaction log have a similar name but their file’s extensions are different. It appears like 
  • Company file name: “[company file name].qbw.nd” 
  • Transaction log file name: “[company file name].qbw.tlg”
  • The user is to identify these two files.
  • Now rename the file of the company by adding “.old” at the end of the extension. (Ensure that, from the end, you should not delete the extension i.e. “.qbw.nd”.
  • Similarly, go for the transaction log file i.e. rename it. 
  • After changing the name of the file, close the system.
  • Now open QB and try to login into the file of the company.

See also – QuickBooks Tool Hub Download & Install to Resolve Quickbooks Errors

Method 3: to resolve QuickBooks Error 6190, 816:- Single-Mode User Check

It is already mentioned that this error mainly occurs in the “Single-User” mode. Please go for the following mentioned steps:

  • Firstly close the QB by logging out from it.
  • Now restart your system.
  • Now copy the seminal files of the company to another location or the desktop. 
  • Now paste the copied data to the original location.
  • At last, open QB and Sign-in for a company file. 

Method 4: to resolve QuickBooks Error 6190, 816:- Update Windows 

Old Windows Operating System can cause this error. After completing the update, restart your system and install QB again. 


We Hope the above-mentioned details provide you a way to eliminate this error. QuickBooks Error 6190, 816 can be easily terminated by following all the steps carefully. Error quickbooks 6190 816 can slow down work and make it harder to handle money. To keep access to QuickBooks data continuous and the integrity of financial records, this problem must be fixed quickly by following the proper troubleshooting steps. 

Frequently Asked Questions

Q. How can I identify QuickBooks Error 6190 816?

QuickBooks will give you the warning 6190 816 if someone else logs into the company file while it is in single-user mode. Solutions to fix broken company data include updating QuickBooks and changing the names of ND and TLG files.

Q. Can the QuickBooks Error 6190 816 be caused by third-party applications?

Yes! this error massage could be caused by third-party services or programmes. This is because outside causes like malware or incorrect file access can cause problems connecting to the computer that hosts the company file.

Q. Is there a specific version of QuickBooks affected by Error 6190 816?

This error mostly happens in the multi-user version of QuickBooks. Multiple people trying to access the company file at the same time causes this issue, making it hard to view and change the data.

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