How to Fix 512 MB VRAM Limit in GTA IV (Resource Usage Limit) – 2026

In this guide, I’ll show you how to remove the 512 MB VRAM limit in GTA IV and fix the Resource Usage Limit issue in 2026. This problem happens due to GTA IV’s old engine incorrectly detecting modern GPUs, causing locked graphics settings, low texture memory, and performance issues. You’ll learn how to fix VRAM detection using commandline.txt, launch parameters, DXVK, and config tweaks so GTA IV can properly use your GPU memory. Works on low-end, mid-range, and high-end PCs.
Text Used:
-availablevidmem 4096 -nomemrestrict -norestrictions -reservedApp 0

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Видео How to Fix 512 MB VRAM Limit in GTA IV (Resource Usage Limit) – 2026 канала Ajay TechFlow