This is a common permission error. Make sure both the injector and the target game or app are running with Administrator privileges. "Failed to attach":
: Use Xenos64.exe for 64-bit games/applications and Xenos.exe for 32-bit (x86) ones. 2. How to Inject a DLL xenos64 injector
: Right-click Xenos64.exe and select Run as Administrator to ensure the injector has sufficient privilege rings ( SeDebugPrivilege ) to attach to target memory structures. This is a common permission error
: Choose the preferred injection type (Native, Manual Map, or Kernel) and set loader options like "Unlink module" or "Erase PE" based on the level of stealth required. xenos64 injector