How to receive technical support for Black Ops 4 disconnection errors
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.
Corrupted and damaged game files can create a wide variety of problems and errors.
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
Information on error message BLZBNTBGS8000001C.
How to receive technical support for problems connecting to Black Ops 4
Problems with patching may be resolved by disabling the read-only setting on system folders.
Troubleshooting the BLZBNTBGS80000011 error.