Since this seems to be an ongoing issue, try setting a username and password without any accent marks. Just use English letters.
I know this is a stretch, but maybe there is a problem related to the language pack.
Insanity: Doing the same thing over and over and each time expecting a different result.
Democracy is 2 wolves and a lamb voting on the menu. Liberty is an armed lamb protesting the electoral outcome. A Republic negates the need for an armed protest.