Use the steps below to troubleshoot installation issues for Blizzard games.
What to do if you are unable to install or patch Diablo III
Information on error BLZBNTAGT0000083F
Information on what to do when a game update is stuck at 0 B/s
Troubleshooting steps for "Waiting on Another Installation or Update" error when trying to update a game.
Information on error BLZBNTBNA00000065
Many common hard drive or OS problems on a Mac can be resolved by repairing your disk permissions.
Something went wrong while trying to launch the game. Please make sure it's installed and updated, then try again.
Information on error BLZBNTBNA00000008
Information on error BLZBNTAGT0000085C