Follow these troubleshooting procedures in order to safely restore your app functionality. 1. Set Antivirus and Windows Defender Exclusions

Open and select Advanced Settings . Click on Inbound Rules and then New Rule .

Extract a clean copy of the .ini file directly back into the root folder to restore stable defaults. 3. Enforce Administrative Permissions

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

Under the tab, check Run this program as an administrator .

If you are playing older games and the modern 4.x version refuses to cooperate despite driver reinstalls, switching back to the old local-DLL injection method is a highly reliable alternative.

Extract the x360ce.exe directly into the game directory where the main .exe file of your game lives.

The year is 2021, and Alex is finally ready to dive into a late-night gaming marathon. After a long day, they settle into their chair, plug in their generic gamepad, and fire up to make sure the controller actually works with their new game.

Download the latest stable release of the from its official GitHub repository.

Completely close the x360ce application. Check your system tray (bottom right corner) to ensure it is not running in the background. Right-click the x360ce.exe executable file. Select . Navigate to the Compatibility tab. Check the box next to Run this program as an administrator . Click Apply , then click OK . Launch the program again. 2. Manually Reinstall the ViGEmBus Driver

The "Self Protection Failed Error Code 4" is a common issue encountered by users of the x360ce (Xbox 360 Controller Emulator) software, particularly in 2021. This error occurs when the emulator fails to initialize or run due to compatibility or configuration issues. In this guide, we will walk you through the steps to troubleshoot and resolve the Self Protection Failed Error Code 4 with x360ce.

Damaged or missing program files can cause the verification process to fail.

However, many users in 2021 began encountering a frustrating roadblock: This error usually pops up when the application fails to initialize its security or driver-hooks properly.

If other steps have failed, you can try deeper Windows repairs:

If your game is older and runs on , use the 32-bit x360ce executable .