-availablevidmem 4096 (Replace '4096' with your actual VRAM in MB). Save the file and launch the game. 2. Address Games for Windows Live (GFWL)
Modern graphics cards often have more VRAM than the aging GTA IV engine was designed to handle, leading it to incorrectly report 0MB available or crash. gta iv fatal error vds100
Use the Official Microsoft Link to download the latest installer, which redirects the login to modern Xbox servers. -availablevidmem 4096 (Replace '4096' with your actual VRAM
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 Address Games for Windows Live (GFWL) Modern graphics
Alternatively, many players use "XLiveLess" to remove the GFWL requirement entirely, though this may disable online features. 3. Verify Game Integrity (Steam/Rockstar Launcher) If files are missing, the game will fail to load resources. How to GTA IV FATAL ERROR VDS100 Error Fix
If you are running an older version of the game, GFWL is likely the culprit.
Forcing the game to recognize your video memory is often the most effective solution.