Failed to Install a Required Program

Keywords: BLZAPPBTS00004, BLZPTS00004, BLZBNTBTS00004, BLZPTS00005, BLZAPPBTS00005, BLZBNTBTS00005, BLZBNTBTS0000004B, BLZBNTBTS0000004C, BLZBNTBTS0000004CD, BLZBNTBTS00000051
Something went wrong while trying to install. Please try again.
Errors: BLZBNTBTS00004, BLZBNTBTS00005, BLZBNTBTS0000004B, BLZBNTBTS0000004C, BLZBNTBTS0000004D, BLZBNTBTS00000051

The game could not be installed due to a bad installation disc or corrupt installation files. Follow the steps below to resolve the issue.

  1. If you're installing the game from a disc, remove and reinsert the disc.
  2. If you're installing from a downloaded installer file, re-download the game installer.
  3. If you're using wireless internet, try switching to an optimized wired connection.

Tried everything here?

If you have tried all of the steps for your operating system and still require assistance, visit our Technical Support Forum (World of Warcraft) (StarCraft II) (Diablo III) (Hearthstone) or contact us.

Get Help

Still can't find a solution? Submit a ticket and someone will help out!