Out-of-date drivers and operating systems can cause a variety of issues, and are one of the first things to check when a game is having problems.
Troubleshooting steps for disconnection problems with the Blizzard mobile app
Instructions on how to delete your Battle.net files.
Troubleshooting the BLZBNTBGS80000011 error.
Use the steps below to troubleshoot installation issues for Blizzard games.
Information on error BLZBNTAGT00000BB8
Information and troubleshooting on error BLZBNTBNA00000005
How to remove your Blizzard Authenticator
Information on error BLZBNTBNA00000A8D.
Troubleshooting for issues with voice chat in Call of Duty: Black Ops 4.