Self Protection Failed Error Code 4 X360ce 2021 ((new)) Jun 2026

Mitigation & Fixes (ordered, try in sequence)

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The application is running without local administrator rights, preventing it from initializing its self-protection protocols. self protection failed error code 4 x360ce 2021

Click the Windows Start menu, type , and open it.

Search for configuration configuration logs like OnlineFix.ini or x360ce.ini and delete them. Mitigation & Fixes (ordered, try in sequence) Did

If you cannot resolve Error Code 4 after all the steps above, the 2021 feature may simply be incompatible with your system. You can revert to (the last stable release before the "Self Protection" feature was heavily enforced).

Do not uninstall your controller driver yet. Follow these fixes from simplest to most thorough. Search for configuration configuration logs like OnlineFix

The OS blocks unrecognized applications from executing advanced functions.

The 2021 and newer versions of x360ce rely heavily on the driver to map your physical controller to a virtual Xbox 360 layout. If this driver fails its self-protection check, it throws Error Code 4.