When locked out from a secondary account you can disable the password-required entry by using the following in another account:
“Windows Key” + “R”, this will bring up the Run command
Enter “cmd.exe” to run command prompt
Enter the following code:
“control userpasswords2”
This then brings up User Accounts and you are able to change the password-entry requirement from here.
You are also able to change the User credentials from this User tab.