When you use a crack, you freeze your game at a specific build (e.g., version 1.1.80). If a friend downloads a crack from a different website, they might have version 1.1.76.
A legitimate multiplayer game of Factorio can run for 100 hours without a single desync. A cracked multiplayer session might desync every 5 minutes, forcing you to re-host and reload a 200MB save file repeatedly. For a factory game, this is a nightmare. factorio cracked multiplayer
Check the in the bottom corner of the main menu. Match your mod list exactly with the host. When you use a crack, you freeze your