I can see that you've been through a lot about converting your QuickBooks, FEDUP1.

Since the above steps didn't work for you, I would recommend reaching out to our phone support team. They have available tools and can do a screen-share with you to investigate your issue further concerning to integration process into QuickBooks. 

Here's how to contact them:

1. Go to Help, then choose QuickBooks Desktop Help.
2. Click Contact Us.
3. Enter the details of the issue in the box, then click Continue.
4. Select the best support option for you.

I'd appreciate it if you'd update me on how the call goes. I want to make sure this is taken care of.