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Information about this error message and troubleshooting steps
Troubleshooting errors when trying to sign in to our forums
Unable to install Battle.net Application after downloading from the website.
Application error: a client-side exception has occurred
How to resolve the error message "We can’t process this code at this time"
Troubleshooting steps to help you connect to Overwatch 2
What to do if you can't resync your authenticator.
What to do if you cannot change the email or phone number that shows on the login screen because the field is greyed out
What to do if you cannot log in after you changed your password