Restart the Battle.net desktop app to clear temporary issues that may cause this error.

This article covers unexpected Blizzard Update Agent errors.

Information on error BLZBNTAGT00000978

Information on error BLZBNTAGT00000979

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This download isn't authorized by the Blizzard Tracker. Please contact Customer Support.

Information on error BLZBNTAGT00000BC1.

Troubleshooting for Partially Installed Errors when trying to access certain game modes.

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Information on error BLZBNTAGT00000976