To disable later: bcdedit /set testsigning off
Fix: Revisit Step 3 and ensure the for your FTDI cable is set to 1 . If using a CH340 cable, reduce the computer's screen resolution or close background apps to free up processing power, as CH340 chips are sensitive to timing delays.
The VAG KKL 409.1 USB cable is an essential, cost-effective tool for VW, Audi, Seat, and Skoda owners, allowing them to diagnose, code, and adapt older vehicles (roughly 1996–2004) using software like VCDS-Lite or VAG-COM. However, because this cable is older technology, installing it on Windows 10 can be tricky. Windows often fails to automatically recognize the drivers, leading to the dreaded "port status: closed" error.
Check the box for and select Windows 7 or Windows XP (Service Pack 3) from the dropdown.
: Right-click the desktop shortcut, go to Properties > Compatibility , and check Run this program as an administrator . Step 3: Configure COM Port Settings

No me gusta Huawei, ya que no contempla todas las app de play store y estoy teniendo dificultades.
Buenas no le han servido los consejos de este post, al final es un fastidio no tener Play Store.
Dinos si podemos ayudarte, un saludo MovilOff
A mí me está costando instalar la app Play Store en un movil Huawei que la tenia…
Buenas,
En el caso de los Huawei que la tenían no suele afectarle a no ser que se actualice, nuestra recomendación es que pruebe a dejarlo de fábrica y así mantenga la aplicación.
Esperemos que le ayude