Self Protection Failed Error Code 4 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.

Go to , then click on Manage settings under Virus & threat protection settings .

flags the virtual driver injection as suspicious behavior. self protection failed error code 4 x360ce 2021

Security suites often flag the virtual driver installation as a "self-protection" threat because it hooks into system inputs.

An outdated, corrupted, or missing ViGEmBus driver. x360ce (Xbox 360 Controller Emulator) is commonly used

Look for in the list. If it exists, right-click and Uninstall it. Restart your computer.

If error persists:

Windows has built-in security mitigations that block apps from executing certain self-protection routines. Open . Click on App & browser control .

What (e.g., PS4, generic USB, Nintendo Switch) are you trying to map? flags the virtual driver injection as suspicious behavior

If none of these solutions work, your last option is to use a different emulator like based tools or re-map your controller using steam input.