If you are running an older version of the game, GFWL is likely the culprit.
Navigate to your GTA IV installation folder (e.g., C:\Program Files (x86)\Steam\steamapps\common\Grand Theft Auto IV\GTAIV ). Create a new text file named . Open the file and paste the following lines: -norestriction gta iv fatal error vds100
The is a common technical issue that typically occurs when the game fails to recognize available system memory or encounters conflicts with outdated Games for Windows Live (GFWL) components . This error can prevent the game from launching or restrict you from adjusting graphics settings. Primary Causes of VDS100 If you are running an older version of