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.