Starcraft Ii Preparing Game Data | Extended | SOLUTION |

StarCraft II allows you to start playing before the entire game is downloaded (streaming client). This often causes "Preparing Game Data" loops. Ensure the game is 100% downloaded before trying to play.

or corrupted launcher cache. If your Battle.net client language differs from your in-game text/audio language, the launcher repeatedly tries to "fix" the data. Blizzard Forums Recommended Fixes Based on user reports and Blizzard Support guidelines, try these steps in order: Preparing game data - Technical Support - SC2 Forums starcraft ii preparing game data