: Switch Memory Integrity to Off .
Getting the to work on Windows 11 can be tricky because the older hardware protection dongles were designed before modern security features like Core Isolation became standard. While many users encounter errors like "Code 39" or a yellow exclamation mark in Device Manager, the hardware is often still compatible if installed with specific adjustments. feitian rockey4 usb driver windows 11
: Click Start and type "Windows Security". : Switch Memory Integrity to Off
: Unplug the USB dongle before running the installer to prevent conflicts. feitian rockey4 usb driver windows 11