Far Cry 5 Anti Cheat -

Before hitting "Play," close these applications entirely (right-click system tray > Exit):

It is worth noting that Ubisoft titles often utilize FairFight (a server-side statistic-based anti-cheat). However, FairFight works by analyzing player statistics (e.g., impossible headshot percentages).

Unlike Rainbow Six Siege (which uses BattlEye) or Valorant (Vanguard), Far Cry 5 utilizes a proprietary system combined with industry-standard monitoring. Specifically, the game relies on:

Unlike server-side anti-cheat (which only looks for impossible stats), Far Cry 5 uses a client-side active scanner. This means the software runs in the background from the moment you click "Play."

While there is no dedicated .sys driver or kernel-level anti-cheat running alongside Far Cry 5, two primary security layers exist:

If you are getting booted from Far Cry 5 right now, try these steps:

Detect and prevent cheating in online/multiplayer sessions to preserve fair play while minimizing false positives and performance impact.

As of 2025, Far Cry 5 is no longer in active development. Ubisoft released the "New Game+" update and then moved on to Far Cry 6.

Consequently, the anti-cheat is static. It will catch known memory injectors from 2018-2020, but it will not catch modern, sophisticated cheat engines. More importantly, Ubisoft support will no longer patch the EAC client to fix compatibility with Windows 11 updates. This means that over time, the "Unknown File Version" error is actually becoming more common as Windows evolves and EAC does not.