Effective Methods to Resolve QuickBooks Error 12002

QuickBooks payroll program is a robust application powering the auditing and taxation procedures of all types of businesses. Millions of companies have benefited from it. QuickBooks error 12002 is one of them. 

This blog critically discusses several reasons why the QuickBooks application runs into this error and how this error can be troubleshot. 


Causes of QuickBooks Error Code 12002

Acknowledging what causes QuickBooks to run into error code 12002 will help you quickly understand the methods to fix it. It will help you know the triggers that cause the error and aspects you can take care of to avoid it in the future. It includes:

• There are faulty Internet Explorer settings resulting in the QuickBooks error 12002
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• Network freezing prevents QuickBooks from accessing the server 
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• The Internet connection is too slow
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• Your default browser is not IE (Internet Explorer).
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• Third-party antivirus software interfering with the QuickBooks application

Methods to Resolve QuickBooks Error 12002

There are numerous ways to fix error code 12002 based on their causes. They are as follows:

Method 1: Validate the Default Browser Settings

• End all operations and launch Internet Explorer
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• Select “Tools” and go to “Internet Option.”
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• Once done, choose “Security Setting,” make sure to drag it and set it to “Medium-High.”
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• Now, select the settings by clicking “Next” and navigate to the Globe icon.
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• Locate the “Content” option.
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• Make sure the “Content Advisor” tab is on.
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• Now, guide to the “Connections” tab and enable the “Never a Dial Connection.”
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• Select the correct “ISP” and proceed by clicking “OK.”
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• Choose the “LAN Settings” and validate that the “Automatically Detect Settings” box is tick marked.
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• Turn off the proxy server if enabled
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• Unmark the “Port 80” checkbox and move ahead by clicking “OK.”
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• Move towards the “Advanced” tab.
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• Go to the “Restore Advanced Settings” tab and locate “Use TLS 1.0” and remember to checkmark, while the “Use TLS 1.1” and “Use TLS 1.2” accounts should be unmarked.
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• Now proceed with clicking “OK.”
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• Close all processes and reboot your computer
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• Now, try launching the QB application and updating it.

Method 2: Use Selective Startup Mode

Step 1: Start Your Computer in Selective Startup Mode

• Press Win + R to launch the Run command 
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• Input “MSConfig” and select “OK.”
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• Go to the “General” option and select “Selective Startup and Load System Services.”
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• Proceed by tapping on the “Services” option and selecting “Hide all Microsoft Services.”
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• Select the “Disable All” tab.
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• Now, unmark the tick box of “Hide All Microsoft Services.”
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• Ensure the ‘Windows Installer” tick box is chosen from the enlisted services.
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• Once done, click “OK.”
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• Next, navigate toward the “System Configuration” window and select the “Reboot” tab. 

Step 2: Uninstall/Install QuickBooks Application

Select the “Clean Install QuickBooks Desktop”

Step 3: Go Back to Normal Startup Mode

• Once done, restore the system to its standard configuration
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• Press Win + R together to launch the Run and input “mschonfig” and “OK.”
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• Select the “General” option and go to “Normal Startup.”
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• Choose “OK”.
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• Locate “System Configuration” and go to the “Restart” option.

Method 3: Modify the Internet Connection

• Launch QuickBooks and locate “Help.” 
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• Go to the “Internet Connection Set up” option.
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• Hit “Next” followed by the “Done” tab.
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• Now, update the QB desktop and check if the QuickBooks error 12002 persists.

Method 4: Important Checks in Internet Connection

• Go to the “Help” tab and select “Internet Connection Setup.”
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• Choose “Use My Computer’s Internet Connection Settings”.
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• Once done, update it 
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• For QB 2008 and later releases, choose the “Help” tab and go to “Update QuickBooks.”
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• Now, select the “Update Now” option.
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• For QuickBooks error 2006 and previous releases, navigate toward “File” and select “Update QuickBooks.”
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• Next, click on the “Update Now” option.

Method 5: Update QuickBooks Application

• Launch the QuickBooks application and go to the “Help” tab.
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• Select the “Update QuickBooks” tab.
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• Now, select the “Update Now” tab.
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• Head towards “Get Updates” and patiently wait for the updates to appear.
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• Now, proceed with “Sync with the Server.” 
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• Once done, select “Update Now” to update to the latest release.

Method 6: Reset Update Settings

• Go to the “Update Now” option.
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• Now, choose the “Reset Update” tick box.
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• Navigate towards the “Get Updates” option and if it fails, follow the below steps.
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• Locate the “Advanced Settings” option.
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• Search for “Use TLS 1.0” and ensure to mark it.
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• While making sure you unmark “Use TLS 1.1” and “TLS 1.2.”

Conclusion

We have tried our best to explain this error and how you can troubleshoot it to make the application operations seamless. However, in any case, if you are facing an issue resolving QuickBooks error 12002, then contact our well-trained and experienced QuickBooks experts.