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QuickBooks Error 12029: Causes & Fixes for Recurring Issues

QuickBooks is a software that has many internal drawbacks in the form of errors. A common error you may encounter while installing the latest updates is QuickBooks error 12029. This occurs when certain installation files in the Windows operating system are not verified and are required to install QB updates, interrupting the process. Therefore, while reading this article, you will know the possible solutions to fix this error completely.

If you would like external assistance from QuickBooks technical experts, call 1.855.738.2784.


Factors that trigger the QuickBooks Cannot Connect Error 12029

If you are updating QB Desktop to the latest version and payroll services, it can trigger error 12029 immediately. So, below are some of the reasons that can trigger this problem:

Home security services

  1. When a third-party application or your firewall settings are interfering with downloading or updating QB.
  2. When you are updating QB on a weak internet connection.
  3. Improper Internet Explorer configuration.
  4. When the SSL settings are incorrect, the QB software gets blocked.
  5. You see a timeout message when the QB Desktop update is in process.
  6. Your Windows OS is older than the QB version you are currently using.

Resolving QuickBooks Error 12029 When Updating QuickBooks Payroll

To solve this issue efficiently, you should follow the following two easy methods: 

Solution 1: Reviewing Internet Explorer settings

Internet Explorer default settings may cause problems downloading QB updates. Follow these steps to change the setting.

  1. First, exit the QB application and double-click on the Internet Explorer icon.
  2. Now, in the Tools tab, select Internet Options.
  3. In the Security tab, click on the icon with the image of a globe and check if the security level is not higher than Medium-High.
  4. Now, from the Connections, select Never Dial a Connection if you use a dial-up node (RUN), or you can also click on the correct ISP.
  5. Then select OK.
  6. Next, go to LAN settings and check that Automatically Detect settings is selected.
  7. Then, verify that the checkbox next to Proxy Server is not selected.
  8. Now, if the box is not clear, add the full address and port.
  9. Again, if the port is not 80, do not uncheck Use Proxy Server.
  10. However, if the port is 80, uncheck the box for further testing.
  11. Click OK.
  12. Now, from the Advanced tab, choose the Restore Advanced Settings option. Below this, look for Use TLS 1.2 and check if it is selected.
  13. Finally, select OK and exit Internet Explorer to reboot your system.

Solution 2: Check if the QB Desktop Security Certificate is updated

If the security certificate is not downloaded or updated, QuickBooks Desktop might give error 12029 because you don't have valid authorization to use QuickBooks.

  1. First, by right-clicking on the QB desktop icon, go to Properties.
  2. In the shortcut, select Open file location and click OK.
  3. Then, right-click the QuickBooks.exe file and select Properties.
  4. Now, from the Digital Signature tab, select QB from the list.
  5. Then, in Details, select View certificate.
  6. Next, in the General tab, select Install Certificate.
  7. Now, in the Certificate Import window, set the Current User as the Store Location.
  8. Then, select Next.
  9. Then, go ahead and select Next and Finish.
  10. Finally, in the Import Successful window, select OK.

Conclusion

If you do not succeed in eradicating the QuickBooks error 12029 after applying the above solutions, call 1.855.738.2784. Sometimes, there are other causes that you don't identify, and you may need additional help from the support team.

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Friday, 05 September 2025