During an attempt to sign in, if Windows displays the Please wait for the User Profile Service message for a long time, say 5 minutes, then that post will help you ...

Windows 7: "The User Profile Service failed the logon. User profile cannot be loaded” Thread starter Raptor Start dateNov 12, 2011 Jump to latest Follow Reply Status ...

Every Windows computer has a built-in Administrator account. We can now activate and use this Administrator account to build a new User Profile for you. Another interesting workaround that people have ...

I can't think of what would cause it to destroy the user profile other than some kind of hardware issue or a software issue that resulted in deleted or damaged files. Maybe some kind of problem where ...