Scroll down to Exclusions and click . Click Add an exclusion and select Folder . Select the entire folder where your x360ce.exe is located.

Select and ensure Domain, Private, and Public are all checked. Name the rule (e.g., "x360ce Fix") and finish. 2. Run with Administrative Privileges

Sometimes a corrupted setup file causes the application's self-check routines to fail. Close x360ce completely. Open the folder containing your x360ce installation.

If the application detects that a driver is missing or failing self-protection, it will display a warning here.

If you've tried everything, here are two final paths to consider:

Ensure the game ( .exe ) and the x360ce application have the necessary permissions. Right-click the game’s executable file. Select > Compatibility . Check Run this program as an administrator . Apply and click OK. Phase 2: Solving Corrupted Files and Hooking Errors 3. Reinstall/Update x360ce Files

A unique fix involves moving the x360ce executable to a directory outside of "Program Files" (like the Desktop) to allow it to generate initial files without restrictive system permissions. Once the files are generated, they can be moved back to the game folder.

After researching and analyzing user reports, we've identified several potential causes of the "Self Protection Failed Error Code 4" in x360ce 2021:

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 the game is in C:\Program Files or C:\Program Files (x86) , Windows protects those folders.

The (Xbox 360 Controller Emulator) is an essential tool for PC gamers who want to use non-XInput controllers (like PlayStation controllers, older gamepads, or flight sticks) to play modern games that only support Xbox 360 controllers. However, users often encounter the frustrating "Self Protection Failed Error Code 4" while setting up or launching the emulator.

Reproduction Steps