Starcraft 2 Preparing Game Data [upd] 💯 Trusted Source
The most frequent cause is a conflict where the launcher thinks the game should be in one language (e.g., German or Spanish) while the client is set to another (English), causing a continuous re-download of regional assets.
If the "Preparing Game Data" screen is moving but very slow, the best advice from Technical Support is often to simply let it finish once without interruption, as it may be rebuilding a corrupted index that cannot be skipped. "Preparing game data" when I try launching my game starcraft 2 preparing game data
If the launcher is the bottleneck, you can bypass the "Preparing Game Data" screen entirely by launching the game directly from its installation folder. The most frequent cause is a conflict where