Fix: QuickBooks Error Code 12029

The QuickBooks Error 12029 is mostly caused by a faulty Internet connection and users are often unable to update QuickBooks to the latest version available. There are quite a few different causes for the issue such as QuickBooks being unable to find an OP address for a server or Internet Explorer settings being misconfigured.

Whatever caused the issue to begin with, the article should cover all of the solutions for each individual case so make sure you follow the instructions correctly and you will hopefully be able to solve the issue quickly.

Solution 1: Make Sure That Internet Explorer is Configured Correctly
Internet Explorer is usually the first place where you should look if you encounter certain errors regarding QuickBooks and you Internet Connection overall. These settings are quite easy to adjust so make sure that this solution is you first step in approaching the problem.

Open Internet Explorer and click on the Gear icon located in the top right corner.
From the menu which opens, click on Internet options.

Navigate to the Connections tab and click on LAN Settings.
Mark the checkbox next to Automatically Detect Settings and make sure the Proxy servers are blank unless you actively use one, which is not recommended while updating QuickBooks.

Make sure you apply these changes before you navigate to the Advanced tab. Locate the SSL 2.0 and SSL 3.0 and make sure they are marked. After you have marked them, uncheck the box next to the Check for publisher’s certificate option.

While still in the Advanced tab, scroll down to the bottom of the window and make sure the TLS 1.2 option is not checked. Additionally, make sure the TLS 1.1 is checked and restart your computer to check if QuickBooks is updating properly now.
Solution 2: Update QuickBooks Manually
Performing a manual update should be quite an easy task for everyone as Intuit has made it quite easy. It’s quite possible that the server is lagging for the current update in particular and you may not experience similar issues in the future.

Navigate to the Update to the Latest Release

Make sure that your product is selected. If it’s not, click the Change option and select your QuickBooks product.
Click the Update button and choose where you want to save the file. Click on the Save button.
When the download completes, locate the file you just downloaded and double click to install the update. You may need to restart Windows after the installation is complete.
Once it’s done, open QuickBooks and press F2 to check if you’re on latest update.
Solution 3: Check the QuickBooks Internet Connection
It’s quite possible that QuickBooks is unable to use your computer’s Internet connection for various reasons and you may need to check that from within the program itself by following the short set of steps located below.

Open QuickBook by double-clicking its icon.
Navigate to Help >> Internet Connection Setup in order to open the related settings.
Click to select the option for “Use my computer’s Internet connection settings to establish a connection when this application accesses the Internet”.

Click on Next >> Done and try engaging the update manually by following the set of steps below.
Choose the Update QuickBooks option which is located under the Help menu at the top of the screen.

Click Options and choose the Mark All option. Click the Save button and click Update Now. Click Reset Update then click the Get Updates button.
When the Update Complete message appears, close QuickBooks Desktop.
Open QuickBooks Desktop. If you get the message prompting you to install update, click Yes.

In Control Panel, select to View as: Category at the top right corner and click on Uninstall a Program under the Programs section.
If you are using the Settings app, clicking on Apps should immediately open a list of all installed programs on your PC.

Locate Quickbooks in Control Panel or Settings and click on Uninstall.

QuickBooks’ uninstall wizard should open with two options: Repair and Remove. Select Remove and click Next in order to uninstall the program.
A message will pop up asking “Do you want to completely remove QuickBooks for Windows?” Choose Yes.
Click Finish when the uninstalled completes the process and restart your computer to see whether errors will still appear.
The next thing in the process is to rename the installation folders so that QuickBooks does not use the remaining files after you reinstall it. This is an easy task.

Navigate to the C >> Windows folder on your computer by clicking on This PC option located at your desktop.
Note: If you are not able to see some of the folders we mention below, you will need to enable the Show Hidden Files and Folders option from within the folder.