Windows Defender or a third-party antivirus saw x360ce trying to "inject" code into a game and thought it was an attack, blocking the self-protection service.
In the world of software, "Self Protection" is a defensive wall. For programs like , it’s a mechanism meant to stop other software (like antivirus or malware) from messing with its core files while it emulates your controller. self protection failed error code 4 x360ce 2021
: For Steam games, try disabling "Steam Input" in the game’s controller settings to avoid conflicts between Steam's native support and x360ce. Are you seeing this error with a specific game , or does it happen as soon as you launch the x360ce executable How to Fix Self Protection Failed Error Code 4 - AI Bud Windows Defender or a third-party antivirus saw x360ce