windows login password has been changed automatically and I can not log in to my previous account.
can not change the password for my account now with the admin account, I tested it through cmd and control panel, Computer Management and settings>account, but show :
System error 8646 has occurred.
The system is not authoritative for the specified account and therefore cannot complete the operation. Please retry the operation using the provider associated with this account. If this is an online provider please use the provider's online site.