I can’t log in or update the patch, since 02/23/2022. As soon as I hit the Update button, I get this message () Decryption key is invalid or missing. Please uninstall and reinstall.Error Code : BLZBNTAGT00000BB9) I uninstall and reinstalled it and I’m back to this again.
2 hours later…
Did you restart your computer?
Mine picked up update after I restarted, and restarted battle.net … Waited.
Then the update showed up, but it was 9 GB and took a hour to download…
I had to remove my bnet authenticator in order to log in.
If fixed itself the next day. Yes, I rebooted everything and it wouldn’t work. But solved now.
Another pre-release download frozen…
Nice
Changed setting to Never autom…
Lags gone … Who da thought
Note to self 
This setting is like a brand new game…
Please get that Battle.net app fixed .thanks
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