QuickBooks is an indispensable tool for managing financial data and streamlining accounting processes for businesses of all sizes. However, like any software, QuickBooks is not immune to errors, and one common issue that users may encounter is QuickBooks Error QBWC1085. This error can be frustrating, but with the right guidance, it can be resolved swiftly. In this article, we will explore what QuickBooks Error QBWC1085 is, its causes, and a step-by-step guide to fix it.

What is QuickBooks Error QBWC1085?

QuickBooks Error QBWC1085 is an error related to the QuickBooks Web Connector (QBWC). The QBWC is a Microsoft Windows application that enables web services to exchange data with QuickBooks Desktop products. This error occurs when QuickBooks Web Connector cannot write to the log file or the log file becomes corrupt. When QBWC encounters this error, it prevents certain web-based services from running correctly within QuickBooks.

Causes of QuickBooks Error QBWC1085

Several factors can lead to the occurrence of QuickBooks Error QBWC1085:

Web Connector Log File Issues: The error may be triggered when the QuickBooks Web Connector is unable to access or write to the log file.

Damaged or Corrupt Log File: A damaged or corrupt QBWC log file can also be the root cause of this error.

Permissions Issues: Incorrect file permissions on the QBWC log file or the directory where the log file is stored can lead to this error.

QuickBooks Desktop File Issues: Sometimes, issues with the QuickBooks Desktop company file can interfere with the proper functioning of QuickBooks Web Connector.

Web Connector Startup: QBWC1085 can occur when the Web Connector is trying to start a QuickBooks company file that is not available.

Now that we understand the possible causes, let's explore the steps to resolve QuickBooks Error QBWC1085:

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Step-by-Step Guide to Fix QuickBooks Error QBWC1085

Step 1: Backup Your QuickBooks Data

Before making any changes or attempting to resolve the error, it's essential to back up your QuickBooks data to ensure that no important information is lost during the process.

Step 2: Close QuickBooks and QuickBooks Web Connector

Make sure QuickBooks and QuickBooks Web Connector are closed. Ensure that no QuickBooks-related processes are running in the background.

Step 3: Navigate to the QBWebConnectorLog.txt File

Press the Windows + E keys to open File Explorer.

Go to C:\ProgramData\Intuit\QBWebConnector\log.

Locate the file named QBWebConnectorLog.txt.

Step 4: Rename the QBWebConnectorLog.txt File

Right-click on QBWebConnectorLog.txt and select Rename.

Change the file name to something like QBWebConnectorLogOLD.txt.

Step 5: Restart QuickBooks Web Connector

Restart QuickBooks Web Connector by opening it.

Click on "Add an application" and follow the prompts to add the web service.

Step 6: Reconfigure Web Services

If you are using third-party applications, reconfigure them to work with QuickBooks Web Connector.

Step 7: Test QuickBooks Web Connector

Ensure that the web service you added in Step 5 is working as expected. If not, make sure it is correctly configured.

Step 8: Verify QuickBooks Desktop File

Ensure your QuickBooks company file is accessible and not experiencing any issues.

Step 9: Check File Permissions

Verify that the directory containing the log file has the necessary write permissions. If not, update the permissions to allow QuickBooks Web Connector to write to the log file.

Step 10: Restart Your Computer

After completing all the above steps, restart your computer to apply the changes.

Step 11: Test QuickBooks Web Connector Again

Open QuickBooks Web Connector and test whether the error QBWC1085 is resolved. If it's still persisting, you may want to consult with QuickBooks support or a certified QuickBooks ProAdvisor for further assistance.


QuickBooks Error QBWC1085 can disrupt your workflow, but with the right steps and precautions, it can be effectively resolved. The key is to address the root causes, whether they're related to the log file, permissions, or other issues, and to follow a systematic approach to resolve the error. Remember to back up your data before making any changes and consider seeking professional assistance if necessary. By doing so, you can keep your accounting processes running smoothly with QuickBooks.