Use the steps below to troubleshoot installation issues for Blizzard games.
Cannot install or Patch Call of Duty: Black Ops Cold War
How to resolve this issue when installing or updating a game
This error occurs when you have connected to our patch server but you cannot download patch information.
Troubleshooting step for connection-related problems on Windows.
Failed to run a required program. Please wait one minute and try again. If this error reoccurs, please restart your computer and try again.
Information on error BLZBNTAGT0000085C
Information on error BLZBNTAGT0000083F
Follow these helpful tips to secure your account from hackers
Information on error BLZBNTAGT00000A28