Uncharted 4 | Avx2 Fix

: This method allowed users with modern hardware to continue benefiting from AVX2 optimizations without impacting their performance.

If the methods above do not work, it is likely that the processor is too old to handle the modern rendering pipeline of the game.

Fortunately, an by adding non-AVX2 fallback executables. This comprehensive guide explains what the AVX2 issue was, how the developers resolved it, and how you can apply the fix to run Uncharted 4: A Thief's End and The Lost Legacy on older, legacy hardware. What Caused the Uncharted 4 AVX2 Error?

If you successfully bypass the AVX2 restriction using community emulators or wrappers, you must manage your performance expectations.

Believe it or not, some users discovered that the AVX2 check only runs during the initial loading screen. If you can bypass that one instruction, the rest of the game never calls it again.

Running a modern, highly optimized title like Uncharted 4 on a processor lacking native AVX2 support comes with trade-offs. Shader Compilation Stalls

Some users have shared custom file sets (often DLLs) that bypass the AVX2 check. These are typically pasted directly into the game's root directory.

: Before making changes, copy your original u4.exe and tll.exe files to a safe folder.

The refers to an official update released for the Uncharted: Legacy of Thieves Collection on PC, which removed a strict hardware requirement that previously prevented players with older CPUs from launching the game. The AVX2 Conflict When the Legacy of Thieves Collection

Extract the downloaded community patch files (usually consisting of a modified tbb.dll or a specific wrapper executable) directly into the root folder where u4.exe is located.

This approach forced the game to run through a software layer that translated AVX2 instructions into something older CPUs could understand. The process was technically complex and resulted in a massive performance penalty, often dropping to just 15-30 FPS, making the game barely playable.