Self Protection Failed Error Code 4 X360ce 2021 Link
Are you using a alongside Windows Defender?
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. self protection failed error code 4 x360ce 2021
For some online fixes, a file called OnlineFix.ini would get corrupted after the first launch. Alex found that setting this file to "Read-only" in the properties menu stopped the error from coming back the next time they played. Are you using a alongside Windows Defender
Scroll down to Exclusions and click . Click Add an exclusion and select Folder . For some online fixes, a file called OnlineFix
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Look at the very bottom for a security section that says: "This file came from another computer and might be blocked to help protect this computer." Check the box. Click Apply and OK . 3. Add an Exception to Windows Defender / Antivirus