Knowing this can help narrow down if it's a corrupted file or a server-side issue. Share public link
Click on and select the Gear (Options) icon next to the Play button. Choose Game Settings .
Solving StarCraft II "Preparing Game Data" Issues: A Comprehensive Guide
OneDrive is a known culprit that can block StarCraft II 's access to save data in your Documents folder. starcraft 2 preparing game data link
Close Battle.net and all Blizzard processes via Task Manager.
Some players have resolved the issue by editing a game configuration file.
Ensure both the launcher and the game are set to the same language (usually is the most stable). In the Battle.net App, go to StarCraft II (gear icon) > Game Settings . Set both "Text Language" and "Spoken Language" to match. Discussion: Blizzard Forums: Preparing Data Window 2. Clear Cache and Temp Data Knowing this can help narrow down if it's
The most common cause is a mismatch between your Battle.net launcher language and your in-game language settings. Blizzard Forums
The primary culprit behind this issue is a between the Battle.net client configuration files and the installed game assets. When the client detects an inconsistency, it attempts to dynamically stream missing regional audio or text assets every time the engine initializes rather than permanently caching them. Phase 1: Fixing Language Mismatches
Ensure your in-game language settings match your Battle.net client settings. Solving StarCraft II "Preparing Game Data" Issues: A
To optimize the data link preparation process, Blizzard Entertainment has implemented several techniques:
You can delete the Agent.exe file in the Battle.net directory, which forces the client to download a fresh, updated version upon launch.