I have discovered a bug in the Blizzard desktop application concerning user credentials being cleared while software is set for “remembering” user information. This condition creates a false check and a loop where the software will (upon users clicking Retry) try to log in with blank credentials. And the Error Code that is returned to the user is irrelevant to the condition. The error code suggests the user cannot log in due to the user’s network connectivity issues, but the real condition is the software is no longer asking the user for their email and password information after the session has expired. So the application tries to log in with blank data. This is obviously more likely to occur immediately after an authentication session expires.
I recommend creating a quick manner for the user to clear all saved settings for the desktop application (default settings), thus forcing the application to prompt the user for their email and password, and NOT try to automatically log in with null data fields.
Blizzard already suggests that people should uninstall and reinstall the application to get rid of “rare” application issues; but this bug is ridiculous and quite easily solvable with a slight code modification.