No. The sso pop user and device are part of the Credentials Manager components of the Single Sign-On portion of Microsoft accounts which are used on current versions of Windows.
These items are what allow you to log into Windows 8 or 10, for example, and then seamlessly open things like your Outlook email, OneDrive data storage or other Microsoft applications which would otherwise require authentication
By storing this information internally to Windows, these authentications take place automatically in the background so you aren't constantly being prompted by Windows with pop-up authentication dialog boxes when you either open another application or OneDrive
performs a synchronization cycle as another example.
Without these the operation of Windows 8.x or 10 would become very noisy and irritating, with nearly constant pop-ups requesting that you login. So leave them alone and concentrate on using anti-malware security applications to aid in the removal of any
malware, since these are designed by people who understand all of the highly technical components within a current version of Windows which most consumers are completely unaware exist.
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