We appreciate you reaching out to us.
If you are unable to log in to my.roku.com using your Roku account credentials, it may be more effective for you to get help from our account billing team. Please contact them directly at https://support.roku.com/contactus. Choose the option from the drop-down menu for "Questions about my account or billing," and you'll be able to send an email request there.
Please let us know if there's anything else we can help you with.