Uncharted 4 Avx2 Fix May 2026

In November 2022, the developers of UNCHARTED: Legacy of Thieves Collection

Troubleshooting examples (concrete steps)

Alternative (no fix):

  • Run the game – The wrapper intercepts AVX2 calls and handles them through software emulation.
  • (Optional) Launch arguments – Some fixes require adding -force-feature-level-11-0 or similar flags via Steam/Epic launcher properties.

    • Intel Sandy Bridge (i7-2600K)

    AVX2 (Advanced Vector Extensions 2) is a CPU instruction set used to accelerate mathematical calculations. When Uncharted 4 launched on PC, the game was coded to require these instructions. This meant that even powerful older CPUs—like the legendary or certain Xeon and AMD FX processors—could not launch the game because they lacked AVX2 support. The Official Fix: Patch 1.3 uncharted 4 avx2 fix

    Verify Game Files

    : In Steam, right-click the game > Properties > Installed Files > Verify integrity of game files . In November 2022, the developers of UNCHARTED: Legacy

    3. Anti-Cheat Conflicts

    Even though Uncharted 4 has no invasive anti-cheat, Steam’s "Steam Input" overlay can conflict with the proxy DLL. Disable the Steam Overlay for this game. Run the game – The wrapper intercepts AVX2

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