You have been disconnected. (BLZ51901017)

Information on error BLZBNTAGT00000907

Standalone patches are downloaded outside of the game launcher or the Blizzard Battle.net desktop app.

How to resolve error BLZBNTBNA000000C8

Information and troubleshooting on error BLZBNTBNA000009C8

Troubleshooting steps for Diablo II (2000) error "Your CD Key is currently being used by: Claimed on Battle.net."

How to resolve this issue when installing or updating a game

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