Troubleshooting steps for disconnection problems with the Blizzard mobile app
Corrupted and damaged game files can create a wide variety of problems and errors.
Follow these steps to troubleshoot problems with your low-speed or wireless internet connection.
Troubleshooting steps for performance-related problems.
Troubleshooting step for connection-related problems on Windows.
How to receive technical support for problems with your connection to Black Ops 4 servers
Instructions on how to delete your Battle.net files.
Information on error BLZBNTAGT00000BB8
Use the steps below to troubleshoot installation issues for Blizzard games.
Instructions for troubleshooting your network to allow Blizzard services to work properly.