Open your Far Cry 5 installation folder and locate the EasyAntiCheat folder.
If you are trying to play Far Cry 5 (or Far Cry: New Dawn ), and the game refuses to start, flagging a missing FC_m64.dll file, this guide is for you. Below is a deep dive into what this file does, why it goes missing, and how to fix it in 2026. What is FC_m64.dll? far cry 5 fcm64dll missing portable
In simple terms, FC_m64.dll is a crucial system file required for Far Cry 5 to operate, primarily for its implementation of the Easy Anti-Cheat (EAC) system used in official online play. When this file is missing, corrupted, or blocked, the game simply refuses to start. This issue is particularly common when using or trainers (cheat tools), as these modifications often involve bypassing or replacing the original FC_m64.dll file. The error also frequently occurs after a game or Windows update that may have disrupted the file, or when an overzealous antivirus software quarantines the file, believing it to be a threat. Open your Far Cry 5 installation folder and