Open the Battle.net Desktop App, go to StarCraft II > Options (gear icon) > Game Settings . Ensure the "Text Language" and "Spoken Language" match what you have selected inside the game menus.
: Corrupted temporary data in the Blizzard app can cause the verification loop. starcraft 2 preparing game data verified
It appears most often after:
SC2 → Options → Scan and Repair
The "Preparing Game Data" stage in StarCraft II is a common technical hurdle that players encounter during the game’s launch sequence. While it often appears as a simple loading bar, it represents a complex synchronization process between the local client and Blizzard’s Battle.net servers. When this process stalls or fails to verify, it prevents the game from opening, often leaving players stuck in a loop of "verifying" or "downloading" data that never seems to finalize. Open the Battle