You're welcome, @Brian 413.

Thank you for performing the troubleshooting steps that we're provided by my colleague.

Since the troubleshooting steps didn't work, I suggest reaching out to our Customer Support to continue you isolating the issue you're having and help you resolve it. 

You can follow the steps below on how to reach them:

1. From your QuickBooks Desktop account, click the Help menu at the top.  
2. Click the QuickBooks Desktop Help menu and select QuickBooks Desktop Help.
3. Provide some information about this concern on the search box.
4. Click the Contact Us link at the bottom of the window. 
5. You'll now be provided with a few support options.  
6. Select Get a call to arrange a callback from a support agent. Or Start a chat to chat with them directly.  

Here's the contact QuickBooks Desktop support article for more information about this.

See this article for more information on how to create an invoice in QuickBooks Desktop. 

Let me know if you need more help with your account by leaving a reply below. Take care and have a great rest of the day!