Site: Prosperity BankCan't log into online banking from any device. Add new comment Comments I have been attempting to log into my bank account for the past few days and have been receiving reports back that an error has occurred. This is not do to my user name and password being incorrect. reply Add new comment Your name * E-mail * The content of this field is kept private and will not be shown publicly. Comment * Notify me when new comments are posted zmsGVk Enter the code above * Enter the code without spaces.