Start with a fresh installation of GTA IV: The Complete Edition from Steam or Rockstar.
Ensure you have installed the DirectX End-User Runtimes and C++ Redistributables. downgrade gta iv to 1070
Create a file named commandline.txt in your GTA IV root folder. Add these lines: Start with a fresh installation of GTA IV:
: Older patches like 1.0.7.0 offer more robust support for ENB series graphical mods and provide better shadow quality than even earlier versions like 1.0.4.0. downgrade gta iv to 1070