Note: Adjust -width and -height to match your monitor’s native resolution. If you have a 4K monitor, try 1920x1080 first.
Fixing the RMN60 error is usually as simple as to Windows 7 and running as an administrator . If that doesn't work, verifying your game files and turning off third-party overlays are your next best steps.
Go to Settings > My Installed Games > GTA IV > Verify Integrity .
