To minimize the risk of encountering similar errors in the future, follow these best practices:
Select the entire folder where your x360ce.exe and game files are located.
Ensure that the version of x360ce matches the architecture of the game you are trying to play. self protection failed error code 4 x360ce 2021
The "Self protection failed error code 4" is rarely a sign of a broken controller; it’s almost always a . By ensuring the ViGEmBus driver is active and giving the app Administrative privileges , you should be back to gaming in no time.
Example Short Troubleshooting Checklist (for end users) To minimize the risk of encountering similar errors
Mitigation & Fixes (ordered, try in sequence)
: Some games with their own anti-cheat or online-fix modules (e.g., Forza Horizon 5 , Elden Ring ) clash with x360ce's attempt to hook into the game. Verified Fixes for x360ce (2021-2026) 1. Run as Administrator By ensuring the ViGEmBus driver is active and
Windows Security frequently blocks the "Self Protection" module because it looks like an application trying to modify system hooks.
Check all profiles (Domain, Private, Public) and name the rule for easy identification. 2. Delete the Unity Crash Handler