Prevent changes in setting Password
If you enable this setting, then other people can not change settings in the Control Panel - Password.
In other words, other people can not change the password (if your computer using the Windows password).
Key: HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Policies \ System
Value Name: NoSecCPL
Data Type: DWORD Value
Data: (0 = disabled, 1 = enabled)