Use these steps to repair file permission settings for the game folder and all enclosed files/folders.
Battle.net Balance cannot be used to pay for some Blizzard products
How to resolve the "Shop Closed" error in Hearthstone
What to do when friend requests are not working
Troubleshooting for adding BattleTag or Real ID friends.
How to resolve Hearthstone payment errors when buying in-game
This article highlights a few passages from the EULA that are most relevant to this policy.
Information about common payment issues and troubleshooting steps
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