Reporting another player that is using an offensive or inappropriate BattleTag
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How to block communication from another player in StarCraft II.
How to report a player for cheating in StarCraft II
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How to move a game account to a different Blizzard account
How to install a Blizzard game you already own on a different computer
How to move a StarCraft II account off a Blizzard account
Information on error BLZBNTAGT00000BB8