Re-extract or re-install the game files while the antivirus is disabled. 2. Restore the File from Quarantine

"The program can't start because Core/Activation.dll is missing from your computer." "Core/Activation.dll was not found." "An unhandled exception occurred in Core/Activation.dll."

If you've tried all these methods and the error persists, here are a few final tips:

If you are trying to install or launch and receive an error regarding Core/Activation.dll , it means your operating system cannot find or execute a critical Dynamic Link Library file required for EA’s Origin validation system. This is a common issue with older PC titles running on modern versions of Windows. The error typically manifests as:

If you see Activation.dll or a file associated with the FIFA 14 directory, select it and click or Allow on device . Add an Exclusion to Prevent Future Deletions To stop your antivirus from deleting the file again: