Troubleshooting your security programs can resolve issues preventing you from installing or using Blizzard software.

This article covers unexpected Blizzard Update Agent errors.

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Information on error BLZBNTBTS0000000D

Troubleshooting step for connection-related problems on Windows.

Information on error BLZBNTBNA00000001

Information on error BLZBNTBNA000003E8

Information on error BLZBNTBNA000007D0

This error means Battle.net Agent (the process that installs and patches our games) couldn't stream necessary files.