Far Cry Primal Fatal Error File System Failure Aborting Execution 📥

In Far Cry Primal’s case, the engine (Dunia Engine 2) is very sensitive to permissions. The number one culprit is or antivirus software blocking the game from writing to the "My Games" folder.

The most common cause for a file system failure is corrupt or missing data within the game installation folder. Open your Steam Library. Right-click on Far Cry Primal and select Properties . Go to the Local Files tab.

Once you fix the crash, follow these rules to ensure it never comes back:

The sabretooth lunged. Jenna raised her stone spear.

Developer perspective (what the message implies) In Far Cry Primal’s case, the engine (Dunia

The game relies on Microsoft Visual C++ components to read system files. Go to your Windows Control Panel > Programs and Features. Look for Microsoft Visual C++ Redistributable (2012, 2013, and 2015-2022) . Right-click them, select Change , and click Repair .

If you're still experiencing this error, it would help to know: Are you running the game through or Ubisoft Connect ? Have you recently installed any new antivirus software ?

Is the game installed on an or an external drive ?

Interfering software (anti-virus, anti-cheat, backup or sync) Open your Steam Library

That was the problem.

Windows Defender’s (part of Ransomware Protection) explicitly blocks any application—even legitimate ones—from writing to your Documents , Pictures , or Downloads folders.

Your security software might be preventing the game from creating necessary temporary files.

Security software mistakenly blocking the game's file access. Once you fix the crash, follow these rules

Let's move from causes to solutions. Work through these steps in the order they are presented, as they range from simple fixes to more involved system repairs.

If the manual folder creation does not work, try these common fixes: Disable OneDrive Sync

If you’ve reached this point, the error is persistent. Don’t worry—these final steps have a near-100% success rate.

Why this works: When the launcher is not an admin, it cannot tell the game it has permission to write to protected system folders.