We are still investigating this unexpected behavior. Our engineers are all hands on deck working together for an immediate fix to sort everything out.
As long as you've already contacted our QuickBooks Support, you'll be notified immediately through your email once an update is available. However, if you still need help and need to discuss sensitive information, you can always get in touch with our QuickBooks Point of Sale Chat Support.
In the meantime, you can always visit the pointers below for some tips and related articles in the future as well as information about the operating system, hardware, software, and other POS requirements:
Please extend your patience while we're working on the permanent fix. Don't hesitate to drop me a line if you have other concerns. I'd be glad to help, have a good one.