Hypervisor-Protected Code Integrity (HVCI) is a virtualization-based security feature enabled by default in Windows 11. It prevents unsigned or poorly written code from injecting itself into high-privilege kernel spaces. Legacy MultiKey drivers are fundamentally incompatible with HVCI. Driver Signature Enforcement
: Ensure Test Mode is enabled via command prompt. If the error persists, enter your motherboard BIOS/UEFI settings during bootup and temporarily disable Secure Boot . Error Code 39 (Driver Corrupted or Incompatible) Virtual Usb Multikey Driver Windows 11
Virtual USB MultiKey (Chipsets) drivers for Windows - DriverHub Driver Signature Enforcement : Ensure Test Mode is
Restart your PC. You will see a "Test Mode" watermark in the bottom-right corner of your desktop. Step 3: Install the MultiKey Registry Dump You will see a "Test Mode" watermark in
For more in-depth solutions, the MultiKey Emulator Installation Guide is a useful resource. Security Considerations
Re-verify that Driver Signature Enforcement is disabled. For a permanent solution, look into using third-party driver signing tools like DSEFIX or Test Mode environments ( bcdedit /set testsigning on ). Code 10 Error (Device cannot start)
