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

What to do if the scenario Stay of Execution will not progress

Information on error BLZBNTBNU00000004

Battle.net This can be solved by changing the access region of the app login window to the account region.

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.

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

Information on submitting supporting documentation