If you are a PC gamer using a generic controller, (Xbox 360 Controller Emulator) is likely your best friend. It allows your PC to "see" your budget gamepad as a standard Xbox 360 controller, ensuring compatibility with modern titles.
Run the downloaded .msi installer package and follow the on-screen prompts.
The virtual drivers rely heavily on specific C++ runtime libraries. If these are missing or corrupted, the driver will fail to communicate with the app, throwing Error Code 4.
Windows strictly protects the C:\Program Files and C:\Program Files (x86) directories. If you have extracted x360ce into these folders or directly onto the root of your C:\ drive, Windows will block its self-protection routines. self protection failed error code 4 x360ce 2021
Version 3 is older and lacks modern controller support (PS5 DualSense, Switch Pro). Use only as a last resort.
After researching and analyzing user reports, we've identified several potential causes of the "Self Protection Failed Error Code 4" in x360ce 2021:
For more specific troubleshooting, community discussions on Reddit's CrackSupport and the official x360ce GitHub Issues track ongoing bug reports and patches for newer Windows builds. If you are a PC gamer using a
Alex right-clicked the x360ce.exe and selected "Run as Administrator" . Often, this was enough to give the program the "keys" it needed.
specifically indicates:
Follow these troubleshooting methods in order to resolve the issue and get your controller mapped. 1. Run x360ce as an Administrator The virtual drivers rely heavily on specific C++
The error is rarely triggered by a hardware failure. Instead, it is a software conflict caused by three main factors:
Because x360ce simulates actual hardware at the kernel level, it requires elevated system permissions.
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:
If that fails, download the latest manually from the official GitHub repository. Restart your computer after installation. 2. Run as Administrator