Uncharted 4 — Avx2 Fix

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.

If you cannot update to the latest official version, community members have previously used these manual methods:

: Lowering the NPC and crowd settings reduces the physics calculations the CPU has to manage.

Run the game directly through the new launcher stub or via your game client. Performance Impact and Trade-offs

This is a tool designed to test software on processors that don't support specific instruction sets. Download Intel SDE.

If the game detects a CPU without AVX2 support, it automatically switches to a fallback executable: Uncharted 4 The Lost Legacy No Performance Loss for New CPUs:

from the v1 and v2 eras (e.g., E5-2670)

The for Uncharted: Legacy of Thieves Collection (which includes Uncharted 4

: In Steam, right-click the game > Properties > Installed Files > Verify integrity of game files .

You may notice slightly higher CPU usage or occasional stuttering compared to a native AVX2 system, as the CPU has to work harder to process the "translated" instructions. Crash Frequency:

Emulation drastically slows down shader compilation. Give the process at least 15 to 30 minutes to progress. If it remains completely frozen, clear your DirectX shader cache via the Windows Disk Cleanup tool and restart the game.