Created by the GTA Underground team, FusionFix restores console-exclusive graphics effects:
Ask any PC gamer about the original GTA IV, and they will wince. The 2008 port was notoriously broken. Even high-end rigs struggled to maintain 60 FPS, and the game inexplicably used CPU for rendering shadows. The v12032 repack addresses these sins in three major ways:
Assuming you have found a valid torrent or direct download for GTA IV v12032, follow this guide to avoid crashes. grand theft auto iv the complete edition v12032 repack
Step 1: Disable Real-time Antivirus
The crack (usually LaunchGTAIV.exe) triggers false positives. Add the download folder to exclusions before unpacking.
Step 2: Run the Setup
Do not install to C:\Program Files (Windows UAC causes crashes). Install to C:\Games\GTAIV or a separate drive. Created by the GTA Underground team, FusionFix restores
Step 3: Verify the Build
Once installed, find GTAIV.exe, right-click > Properties > Details. The Product Version must say 1.0.8.0 (v12032). If it says 1.1.8.0, you downloaded the wrong repack.
Step 4: Apply the "DXWrapper" or "DXVK"
Modern Nvidia/AMD cards hate GTA IV's DX9. Download d3d9.dll from DXVK (Vulkan backend) or Dax wrapper. Place it in the root folder. This boosts FPS from 40 to 144 instantly. (Adjust availablevidmem to your GPU's VRAM
Step 5: Create commandline.txt
To fix the "Video Memory Exhausted" error, create a text file in the root folder named commandline.txt. Paste:
-norestrictions
-nomemrestrict
-availablevidmem 8192.0
-percentvidmem 100
-frameLimit 0
-refreshrate 144
(Adjust availablevidmem to your GPU's VRAM.)
Step 6: Install GFWL Disabler (If not included)
Run xlive.dll disabler. The repack likely has it, but if the game asks for a Windows Live login, you missed this step.