Use the steps below to troubleshoot installation issues for Blizzard games.
Cannot install or Patch Call of Duty: Black Ops 4
Information on what to do when a game update is stuck at 0 B/Ss
Troubleshooting steps for performance-related problems.
Troubleshooting for installation-related problems on Mac.
How to receive technical support for Black Ops 4 disconnection errors
How to receive technical support for problems with your connection to Black Ops 4 servers
Problems with patching may be resolved by disabling the read-only setting on system folders.
Information on moving Blizzard games to a different hard drive
Information on error BLZBNTBNA00000008