But it wasn't enough. Windows 10’s driver signing enforcement was the final boss. Leo had to boot into "Disable Driver Signature Enforcement" or submit the driver to Microsoft’s Hardware Dev Center for attestation.
[Manufacturer] %MfgName% = MediaTekDevices, NTamd64 [MediaTekDevices.NTamd64] %DeviceName% = USB_Install, USB\VID_0E8D&PID_7663 mediatek cdc driver for windows 10
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MediaTek CDC ECM Data →
The Silent Handshake