QuickBooks error 12029

External Reasons Behind the Error
QuickBooks Payroll update is the first reason behind the error.
Sometimes, the error can take place due to your Internet security application or Firewall that can obstruct the payroll update process.
When Internet Explorer is not your default browser.
Make sure that your Internet plan is not expired otherwise it will give the QuickBooks error 12029.
When your SSL settings are not configured properly.
Check out: https://www.quickbooksupportnet.com/how-to-fix-quickbooks-error-12029-payroll-update/

Internal Reasons Behind the Error
QuickBooks is not connected to an Internet connection.
Other connection issues in QuickBooks software.
When your server is blocked.
A server timeout while updating QuickBooks is one of the apparent reasons behind the error.
When you are using an outdated version of Windo
Check out: https://www.quickbooksupportnet.com/how-to-fix-quickbooks-error-1603/

How To Troubleshoot QuickBooks Update Error 12029?
Solution 1: Resolve the Local Issues of QuickBooks Desktop
If the error continues to trouble your QuickBooks payroll update, resolve the local issues related to QuickBooks and your system:
• Verify that you have the latest version of the QuickBooks application installed on your system.
• Besides, ensure that you are using the latest updated version of your Windows OS.
• Dropped Internet packets can also evoke the QuickBooks error 12029; therefore, make sure that this condition does not persist when QuickBooks. Verifying the latency of your Internet can help.
• Moreover, confirm that TLS 1.2 is enabled, and modify SSL settings.
• Check if restarting your computer resolves the problem.
• Finally, upgrade Internet Explorer to the latest release and set it as your default browser.

Solution 2: Make Sure That Your Internet Explorer Settings Are Correct
Internet Explorer is a fully supported Internet browser for QuickBooks and therefore, you need to make sure that Internet Explorer is your default browser. Besides, make sure that your Internet Explorer settings are configured correctly to favour the payroll update process:
• First of all, terminate your QuickBooks program.
• Thereafter, launch your Internet Explorer.
• Now, press either the Alt button or click on Tools.
• Moving ahead, click on the Internet option >> Security tab.
• Here, you need to set the security level medium in the “Allowed level for this zone” from within the Security tab.
• Proceeding further, select the never dial connections from the connections option and then click OK.
• Now move to the Lan settings and then select the automatically detect settings option.
• From within the advanced setting, Select TLS 1.2.
• In the end, click Ok and restart the IE to perform the update process again.

Solution 3: Configure Your Antivirus & Firewall Settings
Due to security reasons, your Internet security application or Firewall can prevent you from downloading the latest updates for the QuickBooks program. In such a case, you need to configure it correctly by following the below-described steps:
• Make a visit to Intuit’s official website and download QuickBooks Tool Hub.
• Now install the tool and then open it to proceed further.
• From within the QuickBooks Tool Hub, you can select the QuickBooks File Doctor tool to determine and resolve the issues giving rise to the payroll update error.
• Besides, it will also configure the Firewall and open the ports automatically.
• Once done, check if the QuickBooks error code 12029 is resolved or not.

Solution 4: Open Windows in Safe Mode to Update QuickBooks
Opening Windows in safe mode can prevent the QuickBooks update process from being blocked. To do so:
• Press Windows and I keys simultaneously on your keyboard.
• Next, go to the Update & Security and click on it.
• Moving ahead, click Recovery and then move to the Advanced Startup.
• Here, you need to perform the instructions given on your screen and make the right selections to restart your computer.
• While restarting, you can locate the option to open your PC in Safe mode with networking.