The Hanen Program® for Parents of Autistic Children or Children Who May Benefit from Social Communication Support
Parents of young autistic children
In-person
Online
Note: This is for educational purposes regarding system administration of legacy software. Emulating protected dongles may violate software licenses.
Type the following command and press Enter: bcdedit /set testsigning on
, remove the old driver files entirely from your disk, and perform a fresh installation using the latest compatible version.
This article provides a comprehensive guide to understanding and fixing the issue on Windows 11, including Registry fixes, memory integrity adjustments, and driver reinstallation. What is Virtual USB Multikey?
Windows 11 introduces several security features that can affect how Virtual USB Multikey drivers behave. The most important ones are:
How to Fix All Error of “The Driver May Be Corrupted or Missing Code 39”
This is the most critical part of the "feature" context:
Even a signed driver can experience the code 39 error if the by Microsoft. This can happen when older certificates no longer meet Microsoft’s evolving trust criteria. The only permanent fix is to obtain a driver signed with a currently valid certificate.
– Follow the remaining prompts. If the driver is properly signed, installation should proceed without any warnings or requests to disable security features.
Code 39 appears when the driver’s DriverEntry routine fails or a previous driver instance is stuck. Solutions include:
Here is a comprehensive guide to understanding why this error happens and how to successfully bypass it to get your MultiKey emulator working again. Why Code 39 Occurs on Windows 11
The first step is to find a Hanen SLP who is certified to offer More Than Words. The SLP may offer the program in-person or online, or they may use the program content in their day-to-day individual clinical work with parents and children.