Important: After fixing, you can re-enable antivirus and Memory integrity – but you may need to repeat the admin run each time you use x360ce.
"Self Protection Failed Error Code 4" is a common issue encountered by users of
(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 self protection failed error code 4 x360ce 2021
. This error typically stems from security software blocking the tool's attempt to hook into game files or conflicts with existing mod loaders. Why Does This Error Occur? Security Interference
: Windows Defender or other antivirus software identifies the emulator’s behavior as suspicious and blocks its execution. Directory Conflicts Important : After fixing, you can re-enable antivirus
: Running the emulator in a folder containing other proxy loaders (like MelonLoader ) can trigger this error. Permission Issues
: The application lacks the necessary administrative rights to modify the game's memory or file structure. Network Blocking "Self Protection Failed Error Code 4" is a
: Some versions of the error are tied to the game attempting to verify its "legal" status online after an update. How to Fix Self Protection Failed (Error Code 4) 1. Add Windows Firewall Exclusions
This is the most reported fix for the 2021–2025 versions of x360ce. You must block the specific program or game from connecting to the internet to bypass the protection check. How to Fix Self Protection Failed Error Code 4 [SOLVED]
x360ce (Xbox 360 Controller Emulator) is commonly used to make controllers emulate an Xbox 360 pad for PC games. Some users of the 2021 builds encounter a startup or runtime message: “Self protection failed — Error code 4.” This post explains what that error means, common causes, step‑by‑step fixes, and preventive tips.
If you previously used an older x360ce (pre-2020), your folder is likely polluted.
.exe or game files.x360ce.exe into the clean folder.