Ensure both and Battle.net.exe have checkmarks under the Private and Public columns. Disable Controlled Folder Access
: You can launch the game directly to skip the "download of doom" by using the SC2Switcher_x64.exe found in your installation folder (typically StarCraft II/Support64/ ).
Open the Battle.net app, go to StarCraft II settings, and change the game language to English. This often triggers a one-time legitimate download that fixes the loop.
The data link preparation process in StarCraft 2 involves the following steps: starcraft 2 preparing game data link
Select and click the Gear icon (Options) next to the Play button.
Antivirus software or cloud storage (OneDrive/Dropbox) is restricting the Blizzard Agent.
The temporary files that allow Battle.net to track patches are corrupted. Ensure both and Battle
The loop is a notoriously frustrating bug that leaves players stuck staring at a slow-loading progress bar every single time they attempt to launch the game. Despite having high-speed internet, players report that this pop-up window crawls at abysmal speeds—often between 10 KB/s and 500 KB/s —forcing a 10-to-30-minute delay just to reach the main menu.
Below is a comprehensive guide to resolving this error and getting back into the game. 1. Fix Language and Localization Mismatches
Giving the application elevated privileges allows it to update files without restrictions. Right-click your Battle.net desktop icon. Select . Attempt to launch StarCraft II . 2. Fix the "605MB" Loop (Language/Region Fix) This often triggers a one-time legitimate download that
Close the game, switch back to your original region, and launch it again. 📁 Method 3: Clear the Battle.net Cache
The "Preparing game data" link is a notorious pop-up and technical bug in StarCraft II
Select and click the Gear Icon (Options) next to the Play button. Choose Game Settings .
Right-click and select Run as Administrator .