Thanks for bringing this to our attention. I'm here to make sure you're able to install QuickBooks.
It's possible that your QuickBooks Pro 2016 exceeds the grace units in registering and installing the software. With issues like this, I recommend reaching out to our Technical Support Team. They have direct access to your account and will add grace units to your QuickBooks License.
Go to Help.
Choose Support and click on the Contactus link under AdditionalResources.