Open > Virus & threat protection > Protection history . Look for an entry related to activation.dll or FIFA 14. Select Actions > Restore .
This method restores all missing DLLs automatically without manual downloading. download core activation.dll file for fifa 14
No, the genuine file from EA is safe. However, malware sometimes disguises itself under this name. Always verify the digital signature: right-click the DLL → Properties → Digital Signatures → EA Digital Signature should be present. Open > Virus & threat protection > Protection history