If you are trying to launch Uncharted: Legacy of Thieves Collection on PC and getting an immediate crash to desktop, your processor is likely missing Advanced Vector Extensions 2 (AVX2). Naughty Dog's PC port originally required this specific CPU instruction set to run.
Run the game executable through the emulator using the following command structure: sde.exe -- u4.exe (replace u4.exe with the exact path and name of the Uncharted launcher executable). Potential Risks and Performance Expectations
Intel’s (Software Development Emulator) can emulate AVX2 on older CPUs.
: If Steam downloads an official patch for Uncharted 4 , it will overwrite your modified files. You will need to re-apply the AVX2 fix or wait for the mod creators to update their fix to match the new game version. The Ultimate Solution: Upgrading Hardware uncharted 4 avx2 fix
Iron Galaxy and Naughty Dog optimized Uncharted 4 on PC to heavily rely on AVX2 instructions.
: Extract the downloaded fix files directly into the game's main directory, overwriting the original files when prompted.
💡 : To offset the performance loss, enable DLSS (Nvidia) or FSR 2.0 (AMD/Intel) in the game settings to take the load off your hardware. Alternative Fixes and Troubleshooting If you are trying to launch Uncharted: Legacy
The journey to a fix was a multi-step process, involving temporary community workarounds and, eventually, an official solution from the developers.
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The client should automatically download the latest version of Uncharted: Legacy of Thieves Collection . The Ultimate Solution: Upgrading Hardware Iron Galaxy and
If you are running the most recent, fully updated version of Uncharted 4 on Steam or the Epic Games Store, you should first verify your files and attempt to launch the game without third-party mods, as official optimization patches may have already resolved your specific startup crash.
“they recently released an update that made the game run on my shitty cpu :), i suggest you update the repack and it might work for you too.”
If your hardware is below these specs, the official stance from the developers is that your system does not meet the minimum requirements. However, the community has developed workarounds.
If the launcher fails to detect your CPU correctly, you can try launching the non-AVX executable directly from the game's installation folder: Legacy Support Performance