Navigate to your GTA IV installation folder.
Avoid using the in-game “Graphics” slider beyond 80% even after the fix. The game’s memory manager is fragile—keep textures at “Medium” or “High,” never “Very High.”
-nomemrestrict tells the game engine to ignore its own outdated memory caps, allowing your system to manage the VRAM instead of the game.
Check "Run this program as an administrator" and click . Install FusionFix (Recommended for 2025/2026) : How To Fix Gta 4 Fatal Error Rmn60 HOT-
The RMN60 error is often a ghost of GFWL. Even if you think it’s gone, remnants cause conflicts.
If you have an NVIDIA RTX 30 or 40 series card, open the NVIDIA Control Panel > Manage 3D Settings > Program Settings > Add GTAIV.exe . Set "Power Management Mode" to Prefer Maximum Performance and "Texture Filtering" to High Performance . This prevents the driver from throttling memory, which causes RMN60.
The most effective fix for RMN60 is forcing the game to run in a compatibility environment that it recognizes. Navigate to your GTA IV installation folder
If compatibility mode doesn't work, your system might be missing the legacy libraries GTA IV relies on.
Now, go enjoy "Dancing in the Moonlight" with Roman — without the crash.
Open the file and paste the following lines: Check "Run this program as an administrator" and click
Unlike common DirectX or memory errors, RMN60 is a . In simple terms, the game tries to allocate video memory (VRAM) or system resources, but Windows either denies the request or provides a corrupted address. This became rampant after the 2020-2024 Windows 10/11 updates and the death of Games for Windows Live (GFWL).
Right-click GTA IV in your library > Properties > Installed Files > Verify integrity of game files .
Navigate to your GTA IV root folder.
If you are searching for a solution to the error, you have come to the right place. This error usually indicates a conflict between the game’s aging architecture and your modern hardware, specifically regarding memory management or command line arguments.