If you have placed the x360ce executable inside heavily protected system folders like C:\Program Files or C:\Program Files (x86) , Windows UAC (User Account Control) will continuously block its self-protection routines.
After fixing the error and configuring your controller, always make a backup of x360ce.ini and the .dll files. If the error returns after a Windows Update, you can simply restore these files instead of reconfiguring your entire controller mapping. self protection failed error code 4 x360ce 2021
Click the , type Windows Security , and press Enter. If you have placed the x360ce executable inside
Extract a clean copy of the .ini file directly back into the root folder to restore stable defaults. 3. Enforce Administrative Permissions Click the , type Windows Security , and press Enter
If you are still stuck, remember: The x360ce community forums and Reddit (r/x360ce) are active. When asking for help, mention that you have already tried the (Controlled Folder Access) – that will save everyone time.
It works by placing specific .dll files (like xinput1_3.dll ) into your game’s executable folder. When the game asks for Xbox input, x360ce translates your button presses.
In the context of the 2021 builds of x360ce (specifically the 4.x "All-In-One" versions), Error Code 4 typically relates to issues or Permissions .