GTA IV was coded when 60Hz was the maximum. If your monitor runs at 144Hz, 165Hz, or 240Hz, the game’s driver system can crash immediately.
To fix:
Launch GTA IV. Once you confirm the game runs, you can revert your monitor to 144Hz and use -refreshrate 60 in your commandline.txt to avoid changing settings every time. gta iv fatal error vds100
If nothing else works, you can bypass DirectX 9 entirely by translating it to Vulkan. This is a modern solution that fixes VDS100 forever.
Result: GTA IV will now render using Vulkan, bypassing the broken DirectX 9 pipeline entirely. This fixes VDS100 and often increases FPS on modern GPUs. GTA IV was coded when 60Hz was the maximum
The "GTA IV Fatal Error VDS100" is not a sign that your PC is broken. It is a sign that a 2008 game is screaming for help in a 2026 world. By using the commandline.txt tweaks, disabling modern overlays, or applying the DXVK Vulkan wrapper, you can finally lay this error to rest.
Once you fix VDS100, you unlock one of the greatest crime dramas ever written—Niko Bellic’s journey through Liberty City. Don’t let a 15-year-old rendering bug stop you. Fire up that commandline.txt, and get playing. Launch GTA IV
Have another fix for VDS100 that worked for you? Share it in the comments below.
The latest “Complete Edition” (patch 1.2.0.xx) is more prone to VDS100. Many players downgrade to patch 1.0.7.0 or 1.0.8.0 for stability.
⚠️ Note: Downgrading breaks Rockstar Launcher’s online features (but GTA IV multiplayer is mostly dead anyway).