Starcraft Ii Preparing Game Data ❲Verified ⟶❳

Try disabling your or third-party antivirus (like Avast or Norton) for 10 minutes.

When StarCraft II shows "Preparing Game Data"—typically at launch or when starting a match—the game is updating or validating local files (maps, assets, patches, or cache) so it can load the match correctly. Common causes and fixes:

: Corrupted temporary files can cause the launcher to hang. Press Windows Key + R , type %programdata% , and delete the Battle.net and Blizzard Entertainment folders.

Open the and navigate to the StarCraft II tab. Click the Options (gear icon) next to the Play button. Select Scan and Repair .