failed patch 2.6 update

  • BLZBNTAGT00000840
    how do i fix this please help
  • Hey Eclipzzee!

    That BLZBNTAGT00000840 error means that the Blizzard App was not able access the D3 files to update it. On top of the patching and installation troubleshooting steps that SilverFox provided (thank you for those, SilverFox!), you can find troubleshooting steps specific to the BLZBNTAGT00000840 error, here. Make sure to go through all the steps, including the advanced steps.