Thanks for the info, this is just a display bug.
Try the following please.
- Press Windows+R, type netplwiz and click OK;
- Check "Users must enter a username and password to use this computer." and click OK;
- Restart your computer;
- When starting again, Press Windows+R, type netplwiz and click OK;
- Now uncheck the option "Users must enter a username and a password to use this computer." and click OK;
- Restart your computer and check if the problem persists.
I await news.
If these procedures helped you in any way, please click on "I solved my problem" and also mark as an answer, so you can help others users.
We will always be available for whatever you need!