failed zlib call ,
after the installation is finished, Zlib call error pops up, you may even get out of range / 60 hz error on your monitor, here is the fix,
first of all , download the latest GTA V client & Social club client, i know rockstar games servers suck but hang in there,
go into the game directory , locate the gta v folder, there are 2 corrupt files, delete GTAV.exe and update.rpf , delete them, social club would automatically download the files, and the game will start,
“ERR_GEN_ZLIB_2 Failed zlib call. Please reboot or reinstall the game.”
err fil pack 3
corrupt game