This is the most reported fix for the 2021–2025 versions of x360ce. You must block the specific program or game from connecting to the internet to bypass the protection check. How to Fix Self Protection Failed Error Code 4 [SOLVED]
If the driver is missing or failing, click or Reinstall . Summary Table Recommended Action Permissions Set to "Run as Administrator" Directory Locks Move folder out of "Program Files" Antivirus Add x360ce as an exclusion Driver Failure Reinstall Virtual Device Driver via x360ce Options self protection failed error code 4 x360ce 2021
x360ce requires high-level system access to emulate virtual controller drivers. This is the most reported fix for the