Hello, ctenright! Welcome to the Xfinity Forums, I'm glad you reached out here.
Please send me a Private Message with your first and last name as well as the username you are having troubles with so I can fix this for you.
To send a private message, click my name "ComcastTambrey", then click "send a message".
ctenright, as I have not heard back from you in some time, I have closed this thread to further comments. I hope you were able to get your login working again, but if you still need assistance, please feel free to start a new thread.