The "StarCraft 2: Preparing Game Data" screen is a common roadblock that occurs when the game client attempts to synchronize assets or download missing language files immediately after you hit "Play" in Battle.net. For most, it is a brief step; for others, it becomes a loop that downloads roughly 600MB at extremely slow speeds every single launch. Common Causes for the "Preparing Game Data" Loop
C:\Program Files (x86)\StarCraft IIC:\ProgramData\Battle.netC:\Users\[YourUsername]\AppData\Local\Battle.netC:\ProgramData\Blizzard EntertainmentA known issue sometimes causes the Battle.net app to constantly re-update small amounts of data (often around 137MB). starcraft 2 preparing game data
If the launcher is causing the hang, you can run the game directly: The "StarCraft 2: Preparing Game Data" screen is
If you find yourself stuck on this screen for more than a minute, it is typically due to one of the following: Heatmaps of unit density per region
Before the orbital command descends, before the first probe warps in, before the zergling rush even crosses the mind—there is the screen. A splash of muted terran grey, the StarCraft II logo hovering like a distant starship, and that deceptively simple status bar: