When Uncharted 4: A Thief’s End and The Lost Legacy finally made their long-awaited debut on PC as part of the Legacy of Thieves Collection, millions of gamers celebrated. Naughty Dog’s cinematic masterpiece was no longer a PlayStation exclusive.
However, the celebration was short-lived for a significant portion of the PC community. Upon launch, many players were greeted not by Nathan Drake’s witty banter, but by a crash to desktop or an immediate error message. The culprit? A missing instruction set known as AVX2. uncharted 4 avx2 fix
If you own an older CPU and have been wrestling with the "Uncharted 4 AVX2 fix," you have come to the right place. This article explains what AVX2 is, why Naughty Dog used it, and—most importantly—how to actually get the game running on unsupported hardware. When Uncharted 4: A Thief’s End and The
On process start, the fix checks cpuid directly (bypassing potential anti-hook). If AVX2 is absent, it overwrites the game’s code section with fallback sequences. If AVX2 is present, it leaves the original instructions but still hooks CPUID to avoid potential detection. Upon launch, many players were greeted not by
After extensive testing by community members on platforms like Reddit (r/OldPCGaming, r/UnchartedPC), GitHub, and the Steam Discussions, two primary fixes have emerged. Method 1 is safer; Method 2 is more powerful but carries risks.
Official minimum requirements list Intel Core i5-4430 (Haswell) or AMD Ryzen 3 1200 (Excavator+). The executable contains AVX2 opcodes (e.g., VPADDD, VGATHERDPD) that are not gracefully downgraded.
Cause: The physics for the grappling hook specifically uses the VPMULHUW AVX2 instruction (which is hard to emulate).
Fix: In the Intel SDE, use the -mix flag to log which instruction crashed, but generally, switching to Method 2 fixes this.