Create a dedicated folder directly on your main drive, such as C:\Tools\x360ce\ .
: Right-click both the x360ce.exe and your game's executable, go to Properties > Compatibility , and check Run this program as an administrator . self protection failed error code 4 x360ce 2021
: If a game crash unexpectedly interrupts the tool, file pointers like OnlineFix.ini or x360ce.ini can become corrupted, prompting the self-defense error flag on subsequent boots. Create a dedicated folder directly on your main
The root of Error Code 4 generally lies in the . Several factors can trigger this: go to Properties > Compatibility
The most common cause is Windows Defender flagging the x360ce files. Open > Virus & threat protection .
Under Virus & threat protection settings , click .