Follow this procedure carefully. Disable automatic driver updates temporarily to prevent Windows from overwriting your installation.
If you see no device at all in Device Manager, try a different USB port (preferably USB 2.0 instead of 3.0). u232 p9 driver windows 10
Because no first-party driver exists, use one of these verified sources. Follow this procedure carefully
This is Microsoft’s HVCI (Hypervisor-protected Code Integrity). Disable it: u232 p9 driver windows 10
Since Windows 10 often fails to recognize this device automatically, follow these steps:
If the official driver fails, the built-in CDC-ACM driver is an effective fallback. For critical applications, consider switching to an FTDI-based adapter to avoid recurring driver headaches.