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Naughty Dog won't patch it. Your motherboard manufacturer won't add AVX2 via BIOS. So, grab the community DLL, add your antivirus exclusion, and prepare to finally sail away from that island prison on an old, unsupported CPU.
Use a library like MinHook to intercept system calls.
This left the community to reverse-engineer their own solution.
Always backup your original u4.exe and tll.exe files before replacing them. uncharted 4 avx2 fix
For the user, applying the fix is a rite of passage. It involves downloading a specific DLL file or an emulator package, placing it in the game’s root directory, and praying the launcher doesn't reject the modified files. It represents a unique aspect of the PC gaming ethos: the refusal to let software obsolescence dictate hardware viability. While official support moved on, the community provided the missing piece to bridge the gap.
If you are trying to run Uncharted 4: A Thief’s End (or the Legacy of Thieves Collection ) on an older PC and experiencing an instant crash on launch, a black screen, or an error mentioning "unsupported instruction," you are likely running into the .
If you tried launching Uncharted: Legacy of Thieves Collection on PC only to face immediate crashes or a black screen, your processor is likely missing AVX2 support. PlayStation’s PC port requires Advanced Vector Extensions 2 (AVX2) to execute game logic and physics simulation. Naughty Dog won't patch it
Intel Core i5-6500 or AMD Ryzen 3 1200 (both have AVX2).
: This method allowed users with modern hardware to continue benefiting from AVX2 optimizations without impacting their performance.
How to Fix Uncharted 4 AVX2 Crashing Issues on PC Uncharted 4: A Thief's End and its standalone expansion, The Lost Legacy , brought Naughty Dog's cinematic storytelling to PC via the Legacy of Thieves Collection . However, many players running older or budget processors immediately encountered a frustrating hurdle: the game would crash to the desktop on startup. Use a library like MinHook to intercept system calls
officially requires AVX2, this fix allows the game to boot and run on older—yet still capable—hardware like Intel Ivy Bridge or AMD Phenom processors. The Problem: The AVX2 Hard Wall
Click the three dots next to the game title > Manage > Verify .
After extensive testing by community members on platforms like Reddit (r/OldPCGaming, r/UnchartedPC), GitHub, and the Steam Discussions, two primary fixes have emerged.