Thanks for letting me know about this. I'm here to help make sure that you can submit your e-file in QuickBooks Desktop (QBDT).
The most likely reason why you're getting this error is that the version of the .NET framework used by the software does not support TLS version 1.2. TLS is an internet security protocol that is used by QBDT to access Intuit services, such as electronic payments.
To isolate this, let's run the TLS 1.2 Readiness tool to update your system to meet all Windows Operating System, Internet Explorer and .Net requirements. Here's how: