Essential Tips And Tricks To Resolve QuickBooks 12000 Series Errors

31.07.25 12:35 PM - By Ross Anderson


QuickBooks users might sometimes encounter 12000 series errors while updating the software or downloading payroll updates. These errors include codes like 12002, 12007,  12029, andQuickBooks error 12031. They occur when QuickBooks cannot connect to the internet properly, which stops QuickBooks Desktop from downloading important updates. The main causes of the QuickBooks 12000 series errors often come from incorrect browser settings, security configurations, or interference from antivirus and firewall programs. Now, let’s explore how to effectively troubleshoot these 12000 series errors in QuickBooks.

Many times, users may get stuck while troubleshooting because of the complex technical terms. If you are also unsure about any steps or doubt the process, don’t hesitate to reach out for help via 1-855-888-3080. Our team is here to guide you through each stage, ensuring you can resolve your issues quickly and easily.


Possible Reasons for QuickBooks 12000 Series Errors

Here are some possible causes of the 12000 series errors:

  • If your browser settings are not configured correctly, it can prevent QuickBooks from connecting to the internet.

  • If the security settings on your system are set up incorrectly, they can hinder QuickBooks from establishing a proper internet connection.

  • A weak or unstable internet connection can disrupt QuickBooks’ ability to download updates, leading to these errors.

Solutions for QuickBooks 12000 Series Errors

After identifying the possible causes of the 12000 series errors, we can proceed with the troubleshooting accordingly. Here, we have mentioned some crucial solutions to fix 12000 series errors. 


Solution 1: Check Connectivity and Settings

QuickBooks relies on Internet Explorer to connect to the internet, so ensure it is set as your default browser. Verify that you can open other websites without any issues.

  • Download and run the TLS 1.2 Utility

  • Make sure you can access secure websites, such as your bank’s login page, outside of QuickBooks Desktop.

  • If you're unable to access secure websites, consider reaching out to an IT expert for assistance.

Solution 2: Configure Internet Explorer settings

Follow these steps to check and configure IE settings:

  • Close QuickBooks Desktop.

  • Open Internet Explorer.

  • Go to Tools.

  • Then, go to  Internet Options.

  • Access the Security tab.

  • Click the Globe icon.

  • Set the security level. Medium-high or low.

  • Open the Connections tab.

  • If you do not utilize dial-up, select Never Dial a Connection.

  • Otherwise, choose the correct ISP.

  • Click OK.

  • Select LAN Settings.

  • Ensure Automatically detect settings are checked. 

  • Clear the Use a Proxy Server checkbox.

  • Note the address and port if the Use a Proxy Server is checked. 

  • If the port is 80, uncheck it for testing.

  • Open the Advanced tab.

  • Click Restore Advanced Settings

  • Now, ensure Use TLS 1.2 is checked.

  • Click OK.

  • Close Internet Explorer.

  • Restart your computer.

  • After restarting, open QuickBooks Desktop. 

  • Try to run the update again.

Conclusion

We hope that following this guide has allowed you to fix the QuickBooks 12000 series errors and that you can update the application and other crucial components without any issues.

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Ross Anderson