Self Protection Failed Error Code 4 X360ce -
A common mistake is using the wrong architecture of the emulator. If the game is 64-bit and you are using the 32-bit version of x360ce (or vice versa), hooking errors like Error Code 4 are frequent.
This error is common when trying to get older or non-Xbox controllers (like PlayStation controllers or generic gamepads) to work with games that require Xbox 360 input. self protection failed error code 4 x360ce