Troubleshooting steps to save a credit card in your Payment Methods page
Troubleshooting steps for the error: "account_not_trusted_write_locked"
Troubleshooting PayPal payment issues
Troubleshooting for game crashes with error "The application encountered an unexpected error"
Information on how to update your billing profiles.
What to do if you do not have a Battle.net account but are receiving emails from Blizzard Entertainment
Information about common payment issues and troubleshooting steps