Phenom series, FX series (Bulldozer/Piledriver like the FX-8350), and older APUs. How to Get the Uncharted 4 AVX2 Fix for Free
The game now detects if your CPU lacks AVX2 support.
or script that intercepts the game’s instruction requests. Instead of crashing when it hits an AVX2-specific command, the fix allows the game to utilize standard AVX or SSE instructions. Where to Find the Fix for Free
Let the game sit on the main menu until shaders are 100% compiled. Forcing gameplay early on an older CPU will cause massive stuttering. uncharted+4+avx2+fix+free
: While the game will now run, performance on older CPUs may be significantly lower (potentially 7-15 FPS depending on your hardware) because these processors were not intended for modern AAA titles. Steam Community The Legacy Manual Fix (Bypassing Errors)
While AVX2 is no longer strictly required, the game still generally requires
The developers released an official patch that completely removes the AVX2 restriction. 🛠️ The Official Solution: Update Your Game Instead of crashing when it hits an AVX2-specific
If you used a modified .exe file that didn't work, use Steam or Epic's repair tool to restore your game to its original state before trying a different method.
Reduce Crowds, Physics, and Reflection quality. These settings put heavy stress on your processor.
Navigate to your game installation folder. Usually: : While the game will now run, performance
Before downloading anything, confirm that your CPU lacks AVX2 but does support basic AVX. Download a free utility like . Look at the Instructions field on the CPU tab. Confirm you see AVX but do not see AVX2 . Step 2: Download the Fix Files
Rename the file extension from .txt to .bat (so it becomes launch_u4.bat ). If you cannot see file extensions, open Windows File Explorer settings and check the box for "File name extensions." Step 4: Run the Game Right-click your newly created launch_u4.bat file. Select .
Disclaimer: Modding games and using third-party emulators carries inherent risks. Always back up your save files and game directories before altering code or replacing files. Are you playing the game through or Epic Games ?
The best and only recommended way to fix the AVX2 error is to update your game through its official storefront (Steam or Epic Games Store). Open Steam or Epic Games Launcher.
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