Now, let’s roll up our sleeves and fix this.

The error is one of the most frustrating issues when trying to launch Far Cry 3 on Windows 10. It typically appears immediately after clicking the game’s executable or via Ubisoft Connect/Steam, preventing the game from starting.

In plain English: Your computer is trying to run a 32-bit application (Far Cry 3) using a 64-bit DLL (Dynamic Link Library) file, or vice versa. Windows 10 gets confused because the architecture of the game does not match the architecture of the system files it is trying to call.

Click on the game > Properties > Verify files .

Below is a complete, proven fix guide.

If verification fails to fix the error, proceed with the steps below.

Sometimes, Windows 10’s security features block legacy games. Before diving into complex fixes, try the low-hanging fruit.

The .NET Framework is another background dependency that Far Cry 3 needs. If this is corrupted, you will see the 0xc00007b error.