The most direct solution is to trick the game into thinking it is running on an older, supported version of Windows.
Note: Adjust -width and -height to match your monitor’s native resolution. If you have a 4K monitor, try 1920x1080 first. how to fix gta 4 fatal error rmn60
If you are playing an older, non-Steam version of the game, the error might be tied to the defunct . The most direct solution is to trick the
In technical terms, the RMN60 error code translates to "Windows Service Pack 1 or higher is required." Because GTA IV was designed for Windows XP and Windows Vista, it sometimes fails to recognize Windows 10 or 11 as a valid, newer operating system. It essentially thinks your computer is "too old" or doesn't meet the minimum service pack requirements. Quick Fix 1: Compatibility Mode (The Most Effective Way) If you are playing an older, non-Steam version
Running the game in compatibility mode can help resolve compatibility issues. Here's how to run the game in compatibility mode: