Launch the app, let it generate its files there, and then copy those files back to your game's directory if needed. Run as Administrator
The "Self protection failed: Error code 4" in typically occurs when Windows Security or an antivirus program blocks the application from running its own security or hook mechanisms x360ce self protection failed
Temporarily close or disable:
Right-click your x360ce executable, select Properties , go to the Compatibility tab, and check Run this program as an administrator . Launch the app, let it generate its files
These two solutions solve the problem for the vast majority of users. If you are still stuck, move through the remaining fixes systematically, and you will almost certainly resolve the issue within 15 minutes. Launch the app