: Instead of fully downloading the language pack, StarCraft 2 treats missing audio or text files as temporary data, streaming them dynamically at launch via capped legacy servers.
4/10 (Improved slightly by the fact that the game waiting behind it is a masterpiece). starcraft 2 preparing game data
This usually indicates that the game is failing to save its updated language data. Each time you launch, it re-downloads the assets because it can't write them to your hard drive. This often points to a permission issue or a conflict with security software. : Instead of fully downloading the language pack,
StarCraft II is a 32-bit application (historically) — though modern patches have 64-bit support, some legacy modes remain restricted. Preparing game data tries to allocate ~2–3 GB of asset tables. On systems with less than 4 GB free, it fails. Each time you launch, it re-downloads the assets