Go to Windows Settings > Privacy & Security > Windows Security > Device Security . Click on Core Isolation details . Toggle Memory Integrity to Off , then restart your PC. Try running your software again. Note: If this fixes the issue, contact your software vendor immediately for an updated, HVCI-compliant driver link so you can re-enable your system security. Issue 2: Driver Signature Verification Failure
The yellow triangle was gone. In its place, under the USB section, sat a clean, green icon: Feitian Rockey4 USB Driver .
Given the increasing difficulty of maintaining an outdated driver on a modern, security-focused operating system like Windows 11, the most reliable long-term solution is to replace your legacy Rockey4 dongle with a .
Right-click the Start button and select Device Manager . Look under Universal Serial Bus controllers for "Feitian ROCKEY4" or "Rockey4 USB." A yellow exclamation mark means the driver is not correctly active. feitian rockey4 usb driver windows 11
: Unplug the Rockey4 dongle from your PC before starting the installation.
, which indicates the driver has successfully initialized and the key is ready for use. Legacy OS Drivers:
Disconnect your Rockey4 USB dongle from the computer before starting. Go to Windows Settings > Privacy & Security
What you'll get
Once installed, the device should appear under as "Feitian ROCKEY4 USB." You can test the connection using the InstDrv.exe utility often included in the Feitian SDK or driver package.
Driver failed to load after reboot, or USB port compatibility issue. Fix: Try running your software again
If you are using the older key, follow these steps to ensure a clean installation:
A: While it might be possible after disabling security features like Memory Integrity, this method is unreliable and leaves your system vulnerable. Official driver support for the older model ended with Windows 10. For a stable and secure experience, you should migrate to Rockey4ND.