In the operating system of windows9x and above, the previous user name has a memory function. When the next time you restart, the last login user name will be found in the login box. In order to prevent this information from being used by illegal users, it is necessary to hide him.
First: locate branch: HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\WinLogon
Second: Create a new key named "DontDisplayLastUserName(REG_SZ type)" on the right side and Double-click
third: set its "Value Data" to "1". To restore the default, set it to "0".
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