Troubleshooting "You were disconnected from Battle.net" when logging into Diablo II (2000)

How to resolve error BLZBNTBNA000000C8

Information on error BLZHSBGS00000056

Information on error BLZBNTBGS00000056

If you try to install a game that doesn't support your preferred language, the game will install the default language for your region.

Troubleshooting steps for Diablo II: Resurrected connection problems on console.

Troubleshooting error BLZBNTBNA000000CA

Information on error BLZ51900002

Troubleshooting steps for performance problems

We can't continue because there's a file named "Battle.net" in your ProgramData folder (C:\ProgramData\Battle.net). Please delete that file and try again.