The gtaiv_patch_1040.zip file you have requested: GTA IV / Official Releases / Patches / GTA IV - 18.104.22.168 Patch (1.4) - 54.63mb 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 latest patch for GTA IV, this will improve the performance of GTA IV based upon the operating system that you are using by changing some of the resource management settings. This patch is only really to improve the performance of the game, as such there are no fixes to the actual gameplay or missions themselves.