W10 suddenly asks for pass word when none set?

[Windows Central Question]

Up graded to Windows 10 a few weeks ago, no pass words set. this morning turned on pc and it asks me for my pass word. No other person has access to the pc. help please, thank you

 

[Thomas Molina]

Try your Microsoft account's password. The password belonging to (your email)@live/outlook/hotmail.com

 

[ven07]

There might have been an update recently that triggered this.. Known bug tho Windows 10 Asks me to Enter a Password - Super User

What kind of password are we talking about here? if you entered your MS account into the system at any point, you should probably enter that password and check