The Hum Before Thunder

Antivirus or firewall software might be blocking the Battle.net agent from writing to your hard drive.

The Blizzard Battle.net launcher has a built-in tool to fix corrupted data that might be stalling the download. Open the . Select StarCraft II . Click the Cogwheel (Settings) next to the Play button. Select Scan and Repair . Wait for the process to complete and try launching again. 3. Change Streaming Settings

Once the data is downloaded, ensuring it runs well is the next step. High-Quality Asset Management

This article will dissect exactly what "Preparing game data" means, why it destroys your performance, and most importantly, how to configure your system for data streaming.