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Signin Error#54400

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Signin Error#54400

My info doesn't stay sign in. Home App keep asking my username and password every time I'm try to using it. Show error#54400 message.
Official Employee

Re: Signin Error#54400

Hi Thaob0984. I can look into this issue. Please send me a private message by clicking on my name, "ComcastChe" then click private message me.

 

In the body of this message please verify the first and last name of the account holder, and the street address associated with your services. Also verify the username you are using to sign in.