Hello, knoxfarm2020.

I'm here to help you get the support that can help you update about the updating username in QuickBooks Desktop.

I recommend contacting our QuickBooks Technical Support Team so they can better check this for you. They have tools that can modify your account in a secure environment.

Here's how:

1. Go to this link: https://help.quickbooks.intuit.com/en_US/contact
2. Select your product.
3. Enter a short description of your concern.
4. Then, follow the on-screen instruction to complete the process. You'll then be connected to our specialist.

Feel free to comment below if you have any more questions. I'm always here to help. Have a good rest of your day!