For some of the programs used to mod GTA IV it requires the GTA IV.exe file.
When trying to open a program like SCO Toolbox, you get this error:
[ATTACH=CONFIG]17929[/ATTACH]
Drag the GTA IV.exe provided into the program's directory like so:
[ATTACH=CONFIG]17930[/ATTACH]
Now run the program and it should load
Virus scan:
https://www.virustotal.com/file/8506977df430084f0b62176019b3dd57471e43957e50be7001d2d9d045ea18cc/analysis/
DOWNLOAD
You must login or register to view this content.
[ATTACH=CONFIG]17931[/ATTACH]