Troubleshooting for problems installing or patching the Starcraft II game client

Troubleshooting steps to resolve this error

Use the steps below to troubleshoot installation issues for Blizzard games.

Information on error BLZBNTBNA00000065

Troubleshooting steps for Internet Game Room owners for common IGR issues

Information about error BLZBNTAGT000008AC

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

Cannot install or patch Call of Duty: Warzone

Cannot install or patch Call of Duty: Modern Warfare II

This error occurs when you have connected to our patch server but you cannot download patch information.