Run the installer as administrator. Make sure you have enough free space (at least 110GB+ is recommended).

Grand Theft Auto V-CorePack.zip refers to a highly compressed "repack" of

Searching through Reddit (r/PiratedGames), RuTracker forums, and FitGirl Repacks comments reveals a consensus: .

Most iterations of the zip include the Los Santos Summer Special, The Cayo Perico Heist, and other major DLC updates integrated directly into the base game.

CorePack was a well-known digital piracy group that specialized in "repacking" video games. Repacking involves taking the original files of a massive game and compressing them into a much smaller file size. Why Repacks Attract Users