Here is a comprehensive guide to understanding and fixing this common controller issue. Understanding the Error
Security software may flag the "self-protection" routine as suspicious behavior. self protection failed error code 4 x360ce 2021
Locate files named UnityCrashHandler.exe or UnityCrashHandler64.exe . Here is a comprehensive guide to understanding and
Open and select Advanced Settings . Click on Inbound Rules and then New Rule . self protection failed error code 4 x360ce 2021
The "Error Code 4" in x360ce often stems from conflicts between the software and your system's security environment. Common triggers include:
In some cases, specific game files like the Unity Crash Handler trigger this error during startup.
The application may fail if it cannot verify its state due to a firewall blocking its outbound connection. Step-by-Step Fixes for Error Code 4 1. Configure Windows Firewall (The Most Effective Fix)