You can also try adding -windowed if the game crashes immediately upon going full-screen. 5. Install Community Fixes
Find in the list and click the "+" to expand it. Check the box for DirectPlay and click OK . Restart your computer and try launching the game. 4. Use Launch Parameters (VRAM & Windowed Mode) how to fix gta 4 fatal error rmn60
Go to the GTA IV installation folder (usually in SteamLibrary\steamapps\common\Grand Theft Auto IV\GTAIV ). You can also try adding -windowed if the
In the box, enter the following: -nomemrestrict -norestrictions -availablevidmem 4096 (Replace 4096 with your actual GPU VRAM in MB) . Check the box for DirectPlay and click OK
While the newer on Steam supposedly removed GFWL, older versions or certain system configurations still trigger RMN60 because they expect those files.
Sometimes the error is triggered by the game failing to detect modern hardware correctly.