: Right-click the installer, go to Properties > Compatibility , and set it to Windows 7 if you are on Windows 10/11.
: Complete the installation and restart your PC before launching the game. Troubleshooting DLL Errors If the error persists, consider these system-level checks: How to Fix Xlive.dll Error in GTA 4
: Locate a trusted source like the GTAForums XLiveLess thread or GTAMods Wiki . : Right-click the installer, go to Properties >
If you want to try the official route or keep original functionality: : Right-click the installer
: Open Command Prompt as Admin and run sfc /scannow to repair corrupted system files.