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QuickBooks Web Connector Could Not Verify Server Certificate

Zebra Printer Problem & Errors

Reasons for QuickBooks web connector error QBWC1048 are QuickBooks could not authenticate connection with third party application, QuickBooks files damaged, Application password changed, Error occurred when application tried to connect to QuickBooks

Error – QBWC1048: “QuickBooks Web Connector could not verify the web application server certificate”

When the QuickBooks web connector cannot verify the server certificate, any third-party app connected to the accounting software stops working. The QBWC1048 error generally presents a message that helps you to identify the underlying issue. So it’s better to proceed straight to the error code so that you can quickly resolve this error. Further, various subscription services used in conjunction with QuickBooks may stop working.

When the utility itself isn’t working, the QuickBooks web connector will not be able to verify the server certificate. Further, security-related issues may prevent the web connector from working with a third-party service that you rely on. Authentication failure from the service can also result in an error because the connection cannot be established without proper authentication. There can be many other errors that generally present with the QBWC code, all of them related to the web connector.

In this post, you’ll learn how to fix the “QuickBooks web connector could not verify the server certificate” error.

Why could the QuickBooks web connector not verify the server certificate?

When the accounting software cannot connect to the third-party app or service because of issues with authentication, connection, etc, the QuickBooks web connector fails to verify the server certificate. So users need to identify the underlying cause before they can resolve the error. While the error generally occurs because of problems with QuickBooks, the error can also be caused by a fault with the third-party application.

Note: generally, users need to try to resolve the QuickBooks web connector error on the basis of the error code.

Solutions steps to fix the “QuickBooks Web Connector Could Not Verify Server Certificate” error

When working with third-party applications or services from inside the accounting software, you need to rely on QuickBooks web connector to facilitate the connection.

Here are the easiest, most effective solutions for QuickBooks web connector QBWC1048 error.

Total Time: 18 minutes

Step 1: Reset the connection

Reset the connection

When QuickBooks cannot connect or authenticate the connection with the third-party application, users should generally try to reset the connection and find out changes made to the authentication details of the application..

Here are the things that you can do when you get the QBWC1048 error:

💠 Reconnect the third-party application with QuickBooks desktop.
💠 Set the correct authentication details for the third-party application.
💠 Reach out to help from the provider of the application.
💠 Check your internet connection
💠 Check to see the validity and status of your third-party application subscription.

When you’ve ensured that you’ve done all of the above, the QuickBooks web connector should be able to verify the server certificate and then establish a connection.

Step 2: Restart QuickBooks Desktop

Restart QuickBooks Desktop

QuickBooks web connecter won’t verify the server certificate until you open QuickBooks desktop and select a company file that works. Further, you’ve to close all the programs and windows that may be interfering with the network connection.

Here are the steps to restart QuickBooks and resolve error QBWC1048:

💠 Open QuickBooks.
💠 Go to the File menu.
💠 Choose Exit.
💠 Launch the Task Manager by right-clicking on the start menu and selecting the utility.
💠 In the details tab, find any service related to QuickBooks.
💠 Right-click on the service and click on End Process Tree.

Following these steps closes all the background services and processes that are related to QuickBooks so that you can restart QuickBooks and log in to your company file without the QBWC1048 error.

Step 3: Enter .QWC file for the application

Enter .QWC file for the application

Ideally, you need to add the .QWC file for your application so that the QuickBooks web connector can verify the server certificate and authenticate the connection. If you’ve not done so already, then you should so that your application starts working with the accounting software.

Here are the steps to download and install the QuickBooks web connector:

💠 Download the QuickBooks web connector installer.
💠 Right-click on the Download File, then choose Extract All.
💠 Find the executable file with the .exe extension, then Right Click on it.
💠 Click on Run as Administrator.
💠 Follow on-screen instructions to complete the installation of the QuickBooks web connector.

If you’ve already downloaded and installed the program, then you can move straight to the next steps. However, if you encounter any error while installing this utility, then kindly restart your system, close all programs related to QuickBooks and then perform the installation.

Now to add an app so that the QuickBooks web connector can verify the server certificate, you can follow these steps:

💠 Go to the File menu.
💠 Choose Update Web Service.
💠 Click on Manage Web Apps.
💠 Click on Set up. When you’re on the app’s website, click on Connect to QuickBooks.
💠 Now launch quickBooks desktop, and click on Done.

You have successfully integrated the application with a web connector. So now you can easily work with the app through QuickBooks desktop.

However, if QuickBooks web connector error QBWC1048 still occurs, then you need to delete the app and then add it again to reset the connection. Here are the steps for deleting an app so that you can add it again:

💠 Go to the Edit menu.
💠 Choose Preferences, then Integrated Applications.
💠 Click on Company preferences.
💠 Choose the app that’s encountering the QBWC1048 error, then click on Remove.
💠 Select Ok.

Now use the steps given earlier to add the app once again to QuickBooks to reset the connection. QuickBooks web connector should now establish the connection without any issues. Further, make sure that you enter the latest authentication details for the application when connecting it with the QuickBooks web connector.


QuickBooks web connector couldn’t verify the server certificate because there is a problem with the authentication of the connection. So you can use the 3 solutions offered in this post to resolve the error quickly and get back to work. Further, we recommend that you update QuickBooks by installing the latest updates.


  1. What should I do if I get multiple QuickBooks web connector errors?

    If you are experiencing an error when trying to connect to your QuickBooks account through the web connector, there are a few things you can do to resolve the issue. First, make sure that your web browser and computer are both up to date and have the latest security patches installed. If you are using a browser other than Chrome, make sure that you install the latest version of that browser. Additionally, make sure that your account is set up correctly and that you have entered your correct username and password. If you are still experiencing issues connecting to your QuickBooks account, try one of the following solutions:  

    💠 Reset your QuickBooks web connector settings: You can reset your QuickBooks web connector settings by clicking on the “Accounts” tab in the main menu and then selecting “Web Connectors”. Next, click on the “Reset Web Connector Settings” button. This will reset all of your connected accounts and settings. 
    💠 Clear your browser cache and cookies: If you are still experiencing issues connecting to your QuickBooks account, clearing your browser cache and cookies may help solve the problem.

  2. How does QuickBooks web connector error influence online data entry?

    If you’re using QuickBooks online, go to File > Online Data Entry > Web Connector. If you’re using QuickBooks on your computer, open QuickBooks and go to File > Connect To > Online Data Entry. In the dialog box that opens, type in the name of the person or company you want to connect to, and then click Connect. You’ll see a list of their accounts in QuickBooks. If you want to connect to more than one person or company, repeat these steps for each account.

  3. Can issues with online accounts lead to QuickBooks web connector errors?

    Yes, they can. If you are experiencing the quickbooks web connector error, it could mean that there is a problem with your online account. In most cases, this issue can be resolved by logging into your account and clicking on the “My Account” tab. Under the “Account Settings” section, you will need to update your password and confirm your email address. If these steps do not resolve the problem, please contact customer service for further assistance.

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