Last updated: 2025. This guide applies to x360ce versions 4.10 – 4.17 and Windows 10/11.
Open the x360ce app (ignore the error for a moment if it lets you access the UI). Go to the or Issues tab.
Because x360ce acts as a wrapper and injects code to trick games into recognizing your controller, antivirus programs frequently trigger false positives.
The Self Protection Failed Error Code 4 x360ce 2021 can be a challenging issue to resolve, but by following the troubleshooting steps outlined in this article, users can identify and fix the problem. self protection failed error code 4 x360ce 2021
Thirdly, the removal of conflicting software was essential. For users employing the newer versions of x360ce that utilized the ViGEm driver, a complete uninstallation and reinstallation of the driver stack was often required. This involved using tools like "Driver Store Explorer" to scrub the system of corrupted virtual bus drivers before installing the latest ViGEm Bus Driver.
(Xbox 360 Controller Emulator), particularly when attempting to play modified, cracked, or updated versions of games like Elden Ring (Seamless Co-op) or Jump Force
Move the entire x360ce folder to a more accessible location, such as the Desktop or C:\Games\ . Run x360ce.exe from the new location. 4. Enable Driver Signature Enforcement Exception If the driver itself is blocked, you must allow it. Last updated: 2025
If you've tried everything, here are two final paths to consider:
Resolving Error Code 4 required a multi-pronged approach, moving from simple software management to deep system configuration.
x360ce works by injecting a virtual driver or a dynamic link library (DLL) file into a game's directory. This allows standard DirectInput controllers to mimic XInput (Xbox) controllers. When the application throws Error Code 4, it means the process was abruptly halted. The primary culprits behind this failure include: Go to the or Issues tab
What (e.g., PS4, generic USB, Nintendo Switch) are you trying to map?
Ensure you are using the latest version of x360ce (version 4.x) , which operates as a Windows driver rather than a .dll injector, making it less likely to trigger "Self Protection Failed" errors. Summary Checklist Potential Fix Permissions Run as Administrator Antivirus Add exclusion for x360ce folder Location Move files to Desktop or C:\ root Driver Disable Driver Signature Enforcement Game Fix Change FakeAppID in OnlineFix.ini
