Antivirus deleted the crack files. Fix: Reinstall the repack, but this time go into the "Crack" folder inside the game files manually and copy the .dll and .exe files to the root game folder. Add folder to antivirus exclusions.

Once finished, uncheck "Open ElAmigos folder" (if present) and check "Run Game". The first launch may take a minute to initialize DirectX shaders.

to improve the gameplay or graphics for your first playthrough?

: Typically based on the "Denuvoless" or Steam P2P releases.