QuickBooks has established itself as a leading accounting software, catering to the needs of small and medium-sized businesses. However, like any software, QuickBooks is not immune to occasional errors. One such error that users may encounter is QuickBooks Error 6190. In this article, we will delve into the causes, symptoms, and effective solutions to tackle this error and ensure uninterrupted workflow.

Understanding QuickBooks Error 6190

QuickBooks Error 6190 is an error code that typically arises when a user tries to access a QuickBooks company file (.QBW) in a multi-user environment, but the file is being used by another user. This error can obstruct the smooth functioning of your accounting processes and hamper productivity. It is crucial to resolve it promptly to resume working with your company files.

Causes of QuickBooks Error 6190

  1. Incomplete installation: If the installation of QuickBooks software is incomplete or corrupted, it can lead to Error 6190.
  2. Mismatched company file: If the transaction log file (.TLG) and the company file (.QBW) do not match, QuickBooks may encounter this error.
  3. Multiple users accessing the company file: Simultaneous access to the company file by multiple users can lead to a conflict, resulting in Error 6190.
  4. Network issues: Problems with the network connection, such as unstable internet connectivity or a faulty network setup, can trigger this error.
  5. Damaged company file: If the company file itself is damaged or corrupted, it can prevent users from accessing it and cause Error 6190.

See also: QuickBooks something’s not quite right | Quickbooks error 1712 

Symptoms of QuickBooks Error 6190

When encountering QuickBooks Error 6190, users may observe the following symptoms:

  1. Inability to open the company file.
  2. QuickBooks crashes or freezes frequently.
  3. The system responds sluggishly to commands.
  4. Error message: “QuickBooks Error 6190: QuickBooks was unable to open the file on the host computer.”

Effective Solutions to QuickBooks Error 6190

Here are several solutions you can employ to resolve QuickBooks Error 6190 and resume working with your company files:

Solution 1: Ensure single-user mode

  1. Ensure that all users have logged out of QuickBooks.
  2. Restart the computers connected in the multi-user environment.
  3. Open QuickBooks on the host computer and then open the company file.
  4. Switch to single-user mode by going to the “File” menu and selecting “Switch to Single-user Mode.”
  5. Copy the company file to a different location and attempt to open it again.

Solution 2: Update QuickBooks

  1. Make sure you are using the latest version of QuickBooks.
  2. Click on the “Help” menu and select “Update QuickBooks.”
  3. Click on “Update Now” and then select “Reset Update” if prompted.
  4. Follow the on-screen instructions to download and install the latest updates.

Solution 3: Use the QuickBooks File Doctor

  1. Download and install the QuickBooks File Doctor tool from the official Intuit website.
  2. Run the tool and let it diagnose and fix issues with your company file.
  3. Once the repair process is complete, restart your computer and check if the error is resolved.

Solution 4: Rename .TLG and .ND files

  1. Close QuickBooks on all computers connected to the multi-user environment.
  2. Open the folder containing the company file.
  3. Locate the transaction log file (.TLG) and the network data file (.ND) associated with the company file.
  4. Right-click on each file and select “Rename.” Add the word “OLD” at the end of the file name (e.g., company_file.qbw.TLG.OLD).
  5. Restart QuickBooks and try opening the company file again.

Solution 5: Contact QuickBooks Data Services Experts

If you are still unable to resolve QuickBooks Error 6190, it is advisable to seek professional assistance. QuickBooks Data Services Experts can provide the necessary guidance and support to tackle complex errors and ensure smooth operations. They possess the expertise and experience to analyze your specific situation and offer tailored solutions.


QuickBooks Error 6190 can disrupt your accounting processes, but with the right approach, it can be resolved effectively. By following the solutions outlined in this article, you can overcome the error and regain access to your company files. If you require further assistance, don’t hesitate to contact QuickBooks Data Services Experts at +1-(855)-955-1942. They will help you navigate through any challenges and ensure seamless usage of QuickBooks for your business needs.

Read also: QuickBooks error h505 | QuickBooks error 557 

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