If problem persists
Have you ever lost a ladder match because you alt-tabbed during "Preparing game data"? Share your war stories in the comments.
When you see "Preparing game data (0%)", the game has not crashed. Behind that seemingly static progress bar, your computer is performing a critical task: starcraft ii preparing game data
If you only experience "Preparing game data" in or Arcade games (like Direct Strike or Squadron TD), the issue is different. In these modes, the host player (usually the first person in the lobby) has a slow computer.
StarCraft II , "Preparing Game Data" refers to a specific loading phase where the game client synchronizes local assets with the Blizzard servers. While intended as a background check for updates or missing files, it frequently presents as a persistent technical hurdle for players. Understanding the Process When you launch the game through the Battle.net App If problem persists Have you ever lost a
In those cases, uninstall the game, delete the Blizzard Entertainment folders from both ProgramData and your Documents folder, and perform a clean reinstall.
Sometimes the game is "preparing data" but doesn't have the "permission" to actually write that data to your disk. Right-click the icon. Select Run as Administrator . Behind that seemingly static progress bar, your computer
Open the Battle.net Desktop App, select StarCraft II , click the Gear Icon (Options), and select Game Settings . Ensure the "Text & Spoken Language" matches your intended language.