Hello, seol31
Thank you for visiting the Microsoft Community.
I understand you're having trouble entering your Windows with a password error .
Once you are able to enter Windows, you can easily resolve it with your user account settings.
However, since it is not possible to enter Windows now, please proceed as follows.
First, if the account is a Microsoft account, you can change your password through the following link.
If the name is displayed on the login screen,
You can reset your password by visiting live.com on another device.
Please try the following:
If you have a local account type and do not know the password for that account, please reply again.
If you use thelocal Administrator account, you may be vulnerable and can cause various problems,
[More details]
If you currently disable all Windows "Services", the above solution will not work.
Because the Windows service manages all Windows performance as part of the Windows system,
There is no solution other than reinstalling Windows.
Please try reinstalling Windows by following the instructions at the following site.
● New to Windows 10 installation
I hope you have a good day today, hoping that your answers have been helpful.