The gta4mods.com4misetup.exe file you have requested: GTA IV / Tools / GTA IV Mod Installer + MI Packager v0.2 - 857kb is not available. Perhaps try browsing all files for the game Grand Theft Auto: San Andreas and upload any files you want to share or are missing. This is the only information we could locate:
Here is the GTA IV - Mod Installer and MI Packager V0.2, which does exactly what it sounds like it installs modifications to GTA IV. This also has the ability to create modifcation installers, so that you can make installing your modification a lot more easier. Although you can't install modifications for files that require you to manually install items to .img files as of yet with this program.