When attempting to authenticate my Battle.net account for game synchronization, I enter my login credentials and press the connect button. At the exact moment the window requesting the two-factor security code is displayed, the login window closes, preventing the correct connection to the account and consequently failing the login.
After the authentication fails, I am returned to this page (all text in the image is in PT_BR):
Hello,
When attempting to authenticate my Battle.net account for game synchronization, I enter my login credentials and press the connect button. At the exact moment the window requesting the two-factor security code is displayed, the login window closes, preventing the correct connection to the account and consequently failing the login.
After the authentication fails, I am returned to this page (all text in the image is in PT_BR):