Now, with these fixes in your arsenal, you can finally dive into the thrilling world of Uncharted 4 on your PC.
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
cd C:\sde sde.exe -hsw -- "C:\Games\Uncharted\UNCHARTEDLegacyofThievesCollection\u4.exe" uncharted 4 avx2 fix
When attempting to launch the game, users on older hardware often encounter an immediate crash to desktop (CTD) or a "Something went wrong" crash report. This is because the game engine specifically requires the CPU to support AVX2 instructions for high-performance processing, which older processors lack.
Initially, the PC gaming community hoped that Iron Galaxy or Naughty Dog would release an “AVX2 fallback path” in a patch. Many modern games (e.g., Ratchet & Clank: Rift Apart , The Last of Us Part I ) eventually added a software fallback for older CPUs. Now, with these fixes in your arsenal, you
Run game as Admin and disable overlays
If you are trying to run the game on an older Intel Core i7 (like the Sandy Bridge or Ivy Bridge generations) or older AMD FX processors, you likely encountered an immediate crash or a "CPU does not support AVX2" error. Here is everything you need to know about the Uncharted 4 AVX2 fix and how to get the game running on "incompatible" hardware. Why Does Uncharted 4 Require AVX2? This meant that even powerful older CPUs—like the
If you aren’t sure whether you need this guide, check your CPU:
To develop a proper AVX2 fix for Uncharted 4 (Legacy of Thieves Collection)