how can i sign in my facebook and whatsapp account

[Windows Central Question]

anytime i try login in my facebook account another username and password keeps showing on the sign in page, what can i do?

 

[Chintan Gohel]

anytime i try login in my facebook account another username and password keeps showing on the sign in page, what can i do?

just overwrite those usernames and passwords
Is this on an app or via a browser?

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