Follow these troubleshooting steps in order to bypass the security block and get your controller working. 1. Run x360ce as an Administrator
The Self Protection Failed Error Code 4 x360ce 2021 can be a challenging issue to resolve, but by following the troubleshooting steps outlined in this article, users can identify and fix the problem.
Scroll down to and click Add or remove exclusions . Click Add an exclusion and select Folder . self protection failed error code 4 x360ce 2021
If you are trying to connect your controller to a PC game using Xbox 360 Controller Emulator (x360ce), encountering the "Self Protection Failed Error Code 4" can instantly halt your gaming session. This specific error usually triggers when the software attempts to apply its virtual gamepad hook or security protocols but gets blocked by Windows or conflicting system permissions.
Ensure that the x360ce executable is placed in the exact same folder where the game's main executable ( .exe ) resides before running it. 5. Verify and Install Missing Prerequisites Follow these troubleshooting steps in order to bypass
Right-click the x360ce.exe file and select "Run as administrator." This is often the simplest fix for permission-related failures.
The excitement vanishes. For Alex—and many others in 2021—this error became a common digital wall. Here is the story of how that error happens and how the community learned to fix it. The Mystery of the Failing Shield Scroll down to and click Add or remove exclusions
Some users have resolved this by blocking the application's connection in the firewall to prevent it from triggering "protection" checks that fail. Windows Defender Firewall Advanced Settings Inbound Rules and browse to your x360ce or game executable. Block the connection Complete the wizard and restart the app. 3. Adjust Folder Permissions
Likely Root Causes
While x360ce is a powerful tool for mapping generic controllers to XInput-supported games, the "Error Code 4" remains a frustrating barrier for users. This error often appears when the application cannot initialize its self-protection routine, frequently due to flagging it as suspicious or conflicting with Online-Fix libraries in games like Elden Ring or Phasmophobia . Common Causes
This neutral directory avoids restrictive system permissions and stops basic administrative blockades. Summary Table: Quick Fix Cheat Sheet Cause Category Specific Trigger Fast Resolution Real-time protection quarantining active .dll files