Corrupted temporary files are a frequent culprit for stuck downloads. Press Windows Key + R , type %APPDATA% , and press Enter. Delete the and Blizzard folders.
You may need to log in manually within the game, but this often avoids the "Preparing Game Data" loop. Step 3: Clear the Blizzard Cache Folders starcraft 2 preparing game data link
Troubleshooting StarCraft 2 : Fix the "Preparing Game Data" Loop Corrupted temporary files are a frequent culprit for
Repeat this process by typing %LOCALAPPDATA% and %TEMP% into the Run window and deleting the same folders there. Empty your and restart the Battle.net app. Step 4: Run as Administrator and Scan/Repair starcraft 2 preparing game data link
Navigate to your StarCraft II installation folder (usually C:\Program Files (x86)\StarCraft II ). Open the folder. Double-click SC2Switcher_x64.exe .