Modern Windows versions disable older DirectX features by default, which can cause launch errors.
In the box, enter the following: -nomemrestrict -norestrictions -availablevidmem 4096 (Replace 4096 with your actual GPU VRAM in MB) . how to fix gta 4 fatal error rmn60
The most common fix is forcing the game to run as if it were on an older version of Windows. Modern Windows versions disable older DirectX features by
Right-click GTA IV in your Steam Library and select . how to fix gta 4 fatal error rmn60
Right-click on (or LaunchGTAIV.exe ) and select Properties . Go to the Compatibility tab.
You can also try adding -windowed if the game crashes immediately upon going full-screen. 5. Install Community Fixes
Sometimes the error is triggered by the game failing to detect modern hardware correctly.