Hi there, @t1cs01.

Thanks for joining this thread. I'm here to guide you to the right support so you can get the help you need. 

I appreciate you for following the steps provided by my colleague VivienJ just to resolve the installation error. Since the issue persisys, I encourage you to get in touch to our QuickBooks Desktop Technical Support Team. They have the tools to do a remote session and investigate this further. 

Here's how you can contact our technical support:

1. Select QuickBooks Desktop Help from the Help menu.
2. You can also press F1 on your keyboard to bring up the same Help Panel. 
3. In order to route you to the correct support expert, we need to know what type of question you have.
4. Click Continue.
5. We’ll provide you a few options. You choose which one is best for you.

For additional reference, you can check this article for the detailed steps on how to install QuickBooks Desktop.

Please let me know if you have any other concerns by clicking the Reply button below. Have a good one.