How To — Fix Gta 4 Fatal Error Rmn60

Save the file and launch GTA IV. The RMN60 error should vanish immediately.

Pro tip: If you have a card with less than 2GB VRAM (very old GPU), set -availablevidmem to your actual VRAM minus 512MB (e.g., 1024 for a 1.5GB card).

Believe it or not, the single most common cause of RMN60 in 2024-2025 is missing Windows updates. Specifically, the Universal C Runtime (UCRT) update from 2015.

To fix the Grand Theft Auto IV Fatal Error RMN60, you generally need to address compatibility issues with modern versions of Windows. This error is typically caused by the game failing to identify a compatible operating system or service pack. Primary Fixes for RMN60 Set Compatibility Mode:

Navigate to your GTA IV installation folder (usually in Steam\steamapps\common\Grand Theft Auto IV\GTAIV).

Right-click on GTAIV.exe (or LaunchGTAIV.exe) and select Properties. Go to the Compatibility tab.

Check "Run this program in compatibility mode for" and select Windows 7 or Windows XP (Service Pack 3). how to fix gta 4 fatal error rmn60

Check "Run this program as an administrator" and click Apply. Disable Background Monitoring Tools:

Certain third-party monitoring software, such as EVGA Precision or specialized audio software, can conflict with the game's startup process.

Try turning off all performance overlays and background monitoring apps before launching the game. Update or Bypass Games for Windows Live (GFWL):

Older versions of GTA IV relied on GFWL, which often causes RMN errors on modern systems.

Modern Version (Steam/Rockstar Launcher): Ensure you are using the latest Complete Edition, which has removed the GFWL requirement. Verify your game files through Steam or the Rockstar Launcher to ensure all files are correct.

Legacy Version: You may need to download the xlive.dll file (often found in the XLive tool) and place it in your main game directory to disable the GFWL check. Additional Troubleshooting Save the file and launch GTA IV

Install Essential Patches: Community patches like FusionFix can resolve various launch errors and performance issues that standard updates might miss.

Windowed Mode: Add -windowed to your launch options. In Steam, right-click the game > Properties > General > Launch Options.

Clean Reinstall: If the error persists, perform a clean uninstallation using tools like Revo Uninstaller to remove all registry remnants before downloading the game again.

Are you running the Steam version or the Rockstar Games Launcher version of the game?

An outdated or unpatched version of GTA IV triggers RMN60. Ensure you have Patch 1.0.7.0 or 1.0.8.0 (the final patch).

  • Physical/Disc users: Download and install the official 1.0.7.0 patch from Rockstar’s website.

    • This forces the game to bypass its broken auto-detection. Pro tip: If you have a card with

  • Right-click inside the folder, go to New → Text Document.

  • Name it commandline.txt (ensure it’s not commandline.txt.txt).

  • Open the file with Notepad and paste the following lines exactly:

    -dx9
-availablevidmem 2048.0
-norestrictions
-novblank
-frameLimit 0
-refreshrate 60
-width 1920
-height 1080

  • Save the file and launch the game.

    • Note: Adjust -width and -height to match your monitor’s native resolution. If you have a 4K monitor, try 1920x1080 first.

    If updates and reinstalls fail, you must force GTA IV to bypass its broken VRAM detection.