Starcraft 2 Preparing Game Data Exclusive Link
A lesser-known cause of the loop is having the Battle.net client set to a region (e.g., Europe) while a previous session crashed while set to another (e.g., Americas). The game attempts to prepare data for Region A while the cached data is exclusively locked to Region B.
A 15-30 second “Preparing Game Data” screen is normal if: starcraft 2 preparing game data exclusive
After 2-3 launches, the cache stabilizes. If it doesn’t, use the fixes above. A lesser-known cause of the loop is having the Battle
Work through these solutions from easiest to most effective. After 2-3 launches, the cache stabilizes