[Ketho]

Using KeePass is kind of obsolete now, with the Battle.net app login. Also, that necro.

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You're not giving us enough information.
* What Auto-Type sequence are you using? The default one?
* Do you have multiple WoW accounts on the same Battle.net account?

Otherwise try using a delay between the username and password:

{USERNAME}{DELAY 500}{TAB}{DELAY 500}{PASSWORD}{DELAY 500}{ENTER}