Hello everyone, here the solution that I found by chance. As many here have expressed, this situation of ERROR 189 has been going on for several months and there are very few responses we receive. In general half answers without much solution. Let's cut to the chase: I wanted to install HboGo app and like any other app that you want to install on your tv, you must sign in to your Samsung account to be able to perform the complete process.
So, after trying soooo many times (months...) I discovered that instead of select and signin in with my already account ID, the best other alternative was selecting the plus (+) button for "Add Account" on the right of my account button.
Go and try this way!
Press the Home button on your TV remote. Select Settings. Navigate to System. Select Samsung Account. Select the Plus (+) button for "Add Account" on the right, Not the one with your "Samsung ID" on the left. On the next screen select the first button on the left "Sign In" Enter you "Samsung ID" and "Password"
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