This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
The most reliable "fix" is now built directly into the game. On , developer Iron Galaxy released a major update (Patch 1.3.20812) that officially removed the AVX2 restriction.
Resolves the sudden loss of camera control for players running the game in Windowed mode.
: | Processor Family | AVX2 Support | |---|---| | Intel Haswell (4th-gen) and newer | ✅ Yes | | Intel Ivy Bridge (3rd-gen) and older | ❌ No | | AMD Ryzen (all series) | ✅ Yes | | AMD FX / Bulldozer | ❌ No | uncharted 4 avx2 fix new
AVX2 is a specific CPU instruction set introduced to accelerate heavy mathematical calculations and floating-point vectors. While common in modern hardware, it is completely absent in older processor generations, such as:
Uncharted Legacy of Thieves collection - startup crash [FIXED]
If you're experiencing performance issues with Uncharted 4 on your new system, we recommend trying the Uncharted 4 AVX2 fix. However, be sure to follow the step-by-step guide carefully and backup your game files before applying the fix. This public link is valid for 7 days
On , Iron Galaxy Studios released the third major patch for Uncharted: Legacy of Thieves Collection on PC, bringing the game to version 1.3.20812 . In the patch notes, a crucial line read: "Added support for older CPUs without AVX2 feature support" . This is the most elegant solution because it requires no third-party tools or complex configuration.
The fix successfully bypasses the "CPU does not support AVX2" crash-on-startup error. It acts as an emulator or instruction translator, allowing the game engine to execute logic that would otherwise require hardware-level AVX2 support. Performance Impact:
Early versions of these fixes were prone to crashing during heavy physics sequences or cutscenes. "Newer" versions (often found on GitHub or specialized modding forums) have improved stability, but they are not official and can be broken by official game updates. Installation: Usually straightforward—you typically drop a file like Can’t copy the link right now
tll-l.exe – The non-AVX2 fallback binary dedicated to Uncharted: The Lost Legacy . How to Install and Activate the New AVX2 Fix
: If the game detects an older CPU missing the AVX2 instruction set, it transparently routes the game launch through a fallback executable: u4-l.exe for Uncharted 4: A Thief's End . tll-l.exe for Uncharted: The Lost Legacy .
He discovered a CPU emulation layer called SdeMirror (based on Intel’s Software Development Emulator). Unlike old hacks, this wraps only the AVX2 instructions without tanking performance.
[Uncharted 4 Launcher] │ ├──► Detects AVX2 Support ──► Launches: u4.exe / tll.exe (Max Performance) │ └──► No AVX2 Detected ──► Switches to: u4-l.exe / tll-l.exe (Fallback Executable) How the New Fallback System Works