My problem is : BLZBNTBNA00000005

BLZBNTBNA00000005 How I can fix it?Not one way doesn’t working

reinstalling the client helped me

I tried, it doesn’t work

search you tube for infinite repair loop or search topics My coldwar is stuck in scan and repair loop

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I had the same issue.
I switched off the PC and restarted it.
So I trayed to reenter my account a couple of times, but i had always the same problem.
At the third try battle.net did a short update and the problem solved itself alone.
So I finally had access to my games.