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You can use this service to reset your Battle.net password, which will remove most account locks.Modify Contact & Shipping Addresses Self-Service
Use this page if you wish to change/modify your Contact & Shipping address for your Battle.net Account.Unable to link Xbox Account - "Provider did not accept user authorization"
What to do if you receive an error message when attempting to connect your Xbox account to your Battle.net account.
Troubleshooting black screen crashes in Heroes of the StormHeroes of the Storm Crashing to Desktop
Follow these steps to resolve lockups or crashes in Heroes of the Storm.Heroes of the Storm Performance Issues
Slow and choppy gameplay in Heroes of the Storm can have a variety of causes.
Troubleshooting for error BLZBNTBNA00000015BLZBNTBNA00000012
Troubleshooting for error BLZBNTBNA00000012Input Mapping Game Controls to Unsupported Controllers
Information regarding Blizzard's stance on input mapping, as it relates to game controls