There's a problem with the connection to the Blizzard servers.

Information on the BLZBNTBTS00000011 error

Information on the BLZBNTBNA0000000C error

The Battle.net Deskop App can't be launched due to an operating system error.

This is about the refund of the classic game (Diablo II, Diablo II: Lord of Destruction) that Blizzard released in the past.

This is a way to check Overwatch products and receive refunds.

Information on how to change the registered Battle.net account holder name

Information on submitting supporting documentation

You can check the refund policy for Battlecoin through this page.

Information about sharing an account