If none of the above solutions work, you can try some advanced troubleshooting steps:
This error is generally triggered when x360ce (Xbox 360 Controller Emulator) attempts to initialize its self-protection mechanisms and is blocked by an external force. This is most common in: x360ce self protection failed error code 4
Seeing the "Self Protection Failed - Error Code 4" message while trying to use can be incredibly frustrating. This error typically surfaces when the application's internal security or anti-tampering routine is interrupted, often by a conflict with your operating system's firewall or security settings. If none of the above solutions work, you
Sometimes the error is simply a lack of permission to access game directories. Right-click your game's .exe file and select . Go to the Compatibility tab. Sometimes the error is simply a lack of
To help you narrow this down, are you using the or the all-in-one virtual version (4.x) of x360ce?
"Self-protection failed: Error code 4" (Xbox 360 Controller Emulator)
: Run sfc /scannow in an Elevated Command Prompt to fix broken system files that might be blocking the driver service.