Cannot Launch Battle.net

[Leonidas1066-1419]

Check this thread, answer is there:

5.09 patch - dll not found

5.09 patch just broke my battle.net. Error dialog says a required dll not found, and to d/l and reinstall Battle.net. I am on Win 10, and run with it fully updated. I use an rtx 2080, geforce driver 471.96.