Good job with recreating the file, 4692. That's the first step in resolving the issue with the qbregistration.dat file.
I'd like to let you know that we've escalated this issue to our engineers. We're constantly checking what caused this, to ensure that it gets fixed immediately. In the meantime, we have an article which helped get rid of the error for some users: Error 3371 Could not initialize license properties.
If you're still getting the same error, I'd suggest giving us a call. We'll add you to the list of the affected users, so that you'll get an update when there's an available solution.
You can get our phone number through these steps:
- Go to this link https://help.quickbooks.intuit.com/en_US/contact.
- Select QuickBooks Desktop and choose your version.
- Click the Solving Issues & Error Messages topic.
- Click the File & Network Management sub-topic.
- Scroll down and click the Get Phone Number button.
We appreciate your patience while we're working on getting this resolved. Please let me know if you need anything else.