The GTA IV Fatal Error: VDS100 (Invalid resource detected) typically occurs due to corrupted game files, outdated drivers, or issues with legacy components like Games for Windows Live (GFWL). Common Fixes for VDS100 Verify Game Files: Steam users should right-click Grand Theft Auto IV
Non-Steam Users: A full reinstall may be necessary if a simple repair is not available through your launcher . Compatibility and Legacy Fixes gta iv fatal error vds100
d3d9.dll and dxgi.dll to your GTA IV folder.Add xlive.dll: Some users resolve the error by downloading a clean xlive.dll and placing it in the main game directory. Advanced Solutions How to fix "fatal error vds10" ??? :: Grand Theft Auto IV The GTA IV Fatal Error: VDS100 (Invalid resource