The game cannot log in due to corrupted cache data in the Users/Shared/Blizzard directory, or the directory's permissions are preventing the game from accessing the Users/Shared/Blizzard directory.

Information on unlooted items and The Postmaster.

Error message information for classic Blizzard games.

Troubleshooting steps for connection issues in Heroes of the Storm.

この実績と報酬に関する情報

Battle.netアカウントとTwitchアカウントの連携問題に関する改善方法

How to qualify for the Hearthsteed

Troubleshooting the Diablo II (2000) installer.

How to report a player for cheating in StarCraft II

How to report a player for cheating in StarCraft and StarCraft: Remastered